The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A289486 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
Showing entries 1-10 | older changes

A289486

G.f.: Product_{m>0} (1 + x^m + 2!*x^(2*m) + 3!*x^(3*m) + 4!*x^(4*m)).
(history; published version)

#36 by OEIS Server at Wed Oct 04 09:51:41 EDT 2017

LINKS

Seiichi Manyama, <a href="/A289486/b289486_2.txt">Table of n, a(n) for n = 0..500</a>

#35 by Alois P. Heinz at Wed Oct 04 09:51:41 EDT 2017

STATUS

proposed

approved

Discussion

Wed Oct 04

09:51

OEIS Server: Installed new b-file as b289486.txt.  Old b-file is now b289486_2.txt.

#34 by Seiichi Manyama at Wed Oct 04 09:45:30 EDT 2017

STATUS

editing

proposed

#33 by Seiichi Manyama at Wed Oct 04 09:45:25 EDT 2017

LINKS

Seiichi Manyama, <a href="/A289486/b289486_2.txt">Table of n, a(n) for n = 0..500</a>

STATUS

approved

editing

#32 by Alois P. Heinz at Wed Oct 04 09:06:42 EDT 2017

STATUS

editing

approved

#31 by Alois P. Heinz at Wed Oct 04 09:06:16 EDT 2017

MAPLE

b:= proc(n, i) option remember; `if`(n=0, 1, `if`(i<1, 0,

add(b(n-i*j, i-1)*j!, j=0..min(4, n/i))))

end:

a:= n-> b(n$2):

seq(a(n), n=0..50); # Alois P. Heinz, Oct 04 2017

STATUS

proposed

editing

#30 by Jon E. Schoenfield at Tue Oct 03 23:32:14 EDT 2017

STATUS

editing

proposed

#29 by Jon E. Schoenfield at Tue Oct 03 23:32:05 EDT 2017

NAME

G.f.: Product_{m>0} (1 + x^m + 2!*x^(2*m) + 3!*x^(3*m) + 4!*x^(4*m)).

STATUS

proposed

editing

#28 by Seiichi Manyama at Tue Oct 03 23:27:18 EDT 2017

STATUS

editing

proposed

#27 by Seiichi Manyama at Tue Oct 03 23:25:02 EDT 2017

CROSSREFS

Column k=4 of A293202.