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Revision History for A359781

(Underlined text is an addition; strikethrough text is a deletion.)

Showing entries 1-10 | older changes
A359781 Parity of A359780, where A359780 is the Dirichlet inverse of the characteristic function of the numbers with even arithmetic derivative (A003415).
(history; published version)
#12 by Michael De Vlieger at Sat Jan 14 18:36:36 EST 2023
STATUS

proposed

approved

#11 by Antti Karttunen at Sat Jan 14 18:02:03 EST 2023
STATUS

editing

proposed

#10 by Antti Karttunen at Sat Jan 14 18:01:58 EST 2023
LINKS

Antti Karttunen, <a href="/A359781/b359781.txt">Table of n, a(n) for n = 1..100000</a>

STATUS

approved

editing

#9 by Michael De Vlieger at Sat Jan 14 12:41:03 EST 2023
STATUS

proposed

approved

#8 by Antti Karttunen at Sat Jan 14 12:40:30 EST 2023
STATUS

editing

proposed

#7 by Antti Karttunen at Sat Jan 14 09:25:01 EST 2023
FORMULA

a(n) <= A358680(n). [See comments in latterA359780]

a(A056913(n)) = 1.

CROSSREFS

Cf. A056913, A358680, A359784 (where differs from A358680).

#6 by Antti Karttunen at Sat Jan 14 09:15:37 EST 2023
CROSSREFS

Cf. also A359764 [= a(A003961(n)], A359774.

#5 by Antti Karttunen at Sat Jan 14 09:13:56 EST 2023
FORMULA

a(n) <= A358680(n). XXX: Check!). [See comments in latter]

#4 by Antti Karttunen at Fri Jan 13 10:13:41 EST 2023
CROSSREFS

Parity of A359780 and of A359790.

#3 by Antti Karttunen at Fri Jan 13 08:15:24 EST 2023
CROSSREFS

Cf. A358680, A359784 (where differs from A358680.).

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Last modified August 22 03:40 EDT 2024. Contains 375354 sequences. (Running on oeis4.)