The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A012244 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
Showing entries 1-10 | older changes

A012244

a(n+2) = (2n+3)*a(n+1) + (n+1)^2*a(n), a(0) = 1, a(1) = 1.
(history; published version)

#55 by Peter Luschny at Sat Aug 15 16:02:29 EDT 2020

STATUS

reviewed

approved

#54 by Hugo Pfoertner at Sat Aug 15 13:58:34 EDT 2020

STATUS

proposed

reviewed

#53 by Michel Marcus at Sat Aug 15 11:16:14 EDT 2020

STATUS

editing

proposed

#52 by Michel Marcus at Sat Aug 15 11:16:11 EDT 2020

LINKS

K. S. Brown, <a href="https://www.mathpages.com/home/kmath381/kmath381.htm">Integer Sequences Related To PIPi</a>

STATUS

proposed

editing

#51 by Elijah Beregovsky at Sat Aug 15 11:10:43 EDT 2020

STATUS

editing

proposed

#50 by Elijah Beregovsky at Sat Aug 15 11:10:34 EDT 2020

LINKS

K. S. Brown, <a href="httphttps://www.mathpages.com/home/kmath381/kmath381.htm">Integer Sequences Related To PI</a> [broken link]

STATUS

approved

editing

Discussion

Sat Aug 15

11:10

Elijah Beregovsky: Dated link

#49 by Alois P. Heinz at Mon Apr 10 19:05:41 EDT 2017

STATUS

editing

approved

#48 by Alois P. Heinz at Mon Apr 10 19:05:37 EDT 2017

LINKS

Alois P. Heinz, <a href="/A012244/b012244.txt">Table of n, a(n) for n = 0..393</a>

#47 by Alois P. Heinz at Mon Apr 10 19:05:06 EDT 2017

DATA

1, 1, 4, 24, 204, 2220, 29520, 463680, 8401680, 172504080, 3958113600, 100370793600, 2787459998400, 84139894238400, 2742857884166400, 96034297911552000, 3594206259195552000, 143193586818810528000, 6050501147565883008000, 270263264589232282368000

STATUS

approved

editing

#46 by Vaclav Kotesovec at Sat Feb 18 04:16:58 EST 2017

STATUS

editing

approved