The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A358606 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
Showing entries 1-10 | older changes

A358606

a(n) = Sum_{k=0..floor(n/5)} (-1)^k * (n-4*k)!/(n-5*k)!.
(history; published version)

#15 by Michael De Vlieger at Mon Nov 28 12:05:33 EST 2022

STATUS

reviewed

approved

#14 by Michel Marcus at Mon Nov 28 11:35:58 EST 2022

STATUS

proposed

reviewed

#13 by Seiichi Manyama at Mon Nov 28 11:23:53 EST 2022

STATUS

editing

proposed

#12 by Seiichi Manyama at Mon Nov 28 11:23:05 EST 2022

LINKS

Seiichi Manyama, <a href="/A358606/b358606.txt">Table of n, a(n) for n = 0..1000</a>

STATUS

approved

editing

#11 by Vaclav Kotesovec at Fri Nov 25 06:32:26 EST 2022

STATUS

proposed

approved

#10 by Seiichi Manyama at Fri Nov 25 06:25:34 EST 2022

STATUS

editing

proposed

#9 by Seiichi Manyama at Fri Nov 25 06:25:31 EST 2022

NAME

a(n) = Sum_{k=0..floor(n/5)} (-1)^k * (n-4*k)!/(n-5*k)!.

STATUS

approved

editing

#8 by Michael De Vlieger at Wed Nov 23 08:55:51 EST 2022

STATUS

proposed

approved

#7 by Seiichi Manyama at Wed Nov 23 08:48:59 EST 2022

STATUS

editing

proposed

#6 by Seiichi Manyama at Wed Nov 23 08:42:22 EST 2022

DATA

1, 1, 1, 1, 1, 0, -1, -2, -3, -4, -3, 0, 5, 12, 21, 26, 21, 0, -43, -114, -195, -244, -195, 42, 581, 1440, 2421, 2990, 2157, -1644, -9955, -22974, -37515, -44248, -24219, 50310, 205661, 442140, 689997, 740906, 190245, -1534224, -4941355, -9887058, -14429619, -13255900, 3510141