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#70 by Peter Luschny at Fri Sep 06 11:05:45 EDT 2024
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#69 by Stefano Spezia at Fri Sep 06 03:54:44 EDT 2024
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#68 by Stefano Spezia at Fri Sep 06 03:54:03 EDT 2024
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| LINKS
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Donghyun Kim and Jaeseong Oh, <a href="https://www.arxiv.org/abs/2409.01041">Extending the science fiction and the Loehr--Warrington formula</a>, arXiv:2409.01041 [math.CO], 2024. See p. 32.
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| STATUS
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approved
editing
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#67 by Peter Luschny at Thu Dec 14 17:36:23 EST 2023
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#66 by Michel Marcus at Thu Dec 14 16:49:50 EST 2023
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#65 by Michel Marcus at Thu Dec 14 16:49:46 EST 2023
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| LINKS
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Victor M. Buchstaber, and Alexander P. Veselov, <a href="https://doi.org/10.48550/arXiv.2310.07383">Todd polynomials and Hirzebruch numbers</a>, arXiv:2310.07383 [math.AT], Oct. 2023.
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| STATUS
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proposed
editing
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#64 by Peter Luschny at Thu Dec 14 16:15:00 EST 2023
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#63 by Peter Luschny at Thu Dec 14 03:34:28 EST 2023
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| FORMULA
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a(n) = A368116(1, n), seen as the lcm of the product of the 1-shifted partitions.
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#62 by Peter Luschny at Thu Dec 14 03:33:23 EST 2023
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| FORMULA
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a(n) = lcm(A238963row(n)). (End))).
a(n) = A368116(1, n), seen as the lcm of the 1-shifted partitions.
a(n) = A368093(1, n), seen as the cumulative product of the Clausen numbers A160014(1, n). (End)
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| CROSSREFS
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Cf. A090622, A090624, A091136, A171080, A238963, A368093, A368116.
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#61 by Peter Luschny at Tue Dec 12 05:32:32 EST 2023
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| PROG
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# Or, more efficient:
from functools import cache
@cache
def a_rec(n):
if n == 0: return 1
print([a p = mul(n) s for ns in rangemap(22)]) # _Peter Luschny_, Declambda 11i: i + 1, divisors(n)) if 2023is_prime(s))
return p * a_rec(n - 1)
print([a_rec(n) for n in range(22)]) # Peter Luschny, Dec 12 2023
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