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Revision History for A008548

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

Showing entries 1-10 | older changes
A008548 Quintuple factorial numbers: Product_{k=0..n-1} (5*k+1).
(history; published version)
#101 by Jon E. Schoenfield at Mon Oct 30 07:16:01 EDT 2023
STATUS

editing

approved

#100 by Jon E. Schoenfield at Mon Oct 30 07:15:56 EDT 2023
LINKS

T. D. Noe and Vincenzo Librandi, <a href="/A008548/b008548.txt">Table of n, a(n) for n = 0..300</a> (first 50 terms from T. D. Noe).)

STATUS

approved

editing

#99 by Vaclav Kotesovec at Mon Dec 19 01:58:27 EST 2022
STATUS

reviewed

approved

#98 by Joerg Arndt at Mon Dec 19 01:53:18 EST 2022
STATUS

proposed

reviewed

#97 by Amiram Eldar at Mon Dec 19 01:18:06 EST 2022
STATUS

editing

proposed

#96 by Amiram Eldar at Mon Dec 19 01:16:28 EST 2022
FORMULA

a(n) = A049385(n, 1) (first column of triangle).

CROSSREFS

Cf. A001147, A007559, A007696, A016861, A034687, A034688, A052562, A047055, A049385, A051150.

a(n)= A049385(n, 1) (first column of triangle).

#95 by Amiram Eldar at Mon Dec 19 00:49:47 EST 2022
DATA

1, 1, 6, 66, 1056, 22176, 576576, 17873856, 643458816, 26381811456, 1213563326976, 61891729675776, 3465936861843456, 211422148572450816, 13953861805781753856, 990724188210504523776, 75295038303998343806976, 6098898102623865848365056, 524505236825652462959394816

#94 by Amiram Eldar at Mon Dec 19 00:44:31 EST 2022
LINKS

W. Wolfdieter Lang, <a href="http://www.cs.uwaterloo.ca/journals/JIS/VOL3/LANG/lang.html">On generalizations of Stirling number triangles</a>, J. Integer Seqs., Vol. 3 (2000), #), Article 00.2.4.

J.-C. Novelli, and J.-Y. Thibon, <a href="http://arxiv.org/abs/1403.5962">Hopf Algebras of m-permutations,(m+1)-ary trees, and m-parking functions</a>, arXiv preprint arXiv:1403.5962 [math.CO], 2014-2020.

M. Maxie D. Schmidt, <a href="https://cs.uwaterloo.ca/journals/JIS/VOL13/Schmidt/multifact.html">Generalized j-Factorial Functions, Polynomials, and Applications </a>, J. Int. Seq. 13 (2010), Article 10.6.7, Table 6.3.

#93 by Amiram Eldar at Mon Dec 19 00:42:51 EST 2022
FORMULA

Sum_{n>=0} 1/a(n) = 1 + (e/5^4)^(1/5)*(Gamma(1/5) - Gamma(1/5, 1/5)). - Amiram Eldar, Dec 19 2022

STATUS

approved

editing

#92 by Charles R Greathouse IV at Thu Sep 08 08:44:36 EDT 2022
PROG

(MAGMAMagma) [(&*[5*k+1: k in [0..n]]): n in [0..20]]; // G. C. Greubel, Aug 16 2019

Discussion
Thu Sep 08 08:44
OEIS Server: https://oeis.org/edit/global/2944

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Last modified September 12 07:57 EDT 2024. Contains 375850 sequences. (Running on oeis4.)