A266526 - cp's OEIS frontend

A266526 a(n) = coefficient of x^ny^(n+1)/n! in Log( Sum_{n>=0} (n + y)^(2n) * x^n/n! ), for n>=1.

n	a(n)
1	1
2	4
3	42
4	752
5	19360
6	654912
7	27546736
8	1388207872
9	81621893376
10	5488951731200
11	415721105434624
12	35026876903256064
13	3250356630453317632
14	329437813126362185728
15	36214170617862339840000
16	4291812357982293898231808
17	545518054282041342531076096
18	74032137722410904128877494272
19	10684317262536125210489796296704
20	1634019721630446295055397683200000

[1, 4, 42, 752, 19360, 654912, 27546736, 1388207872, 81621893376, 5488951731200, 415721105434624, 35026876903256064, 3250356630453317632, 329437813126362185728, 36214170617862339840000, 4291812357982293898231808, 545518054282041342531076096, 74032137722410904128877494272, 10684317262536125210489796296704, 1634019721630446295055397683200000]

cp's OEIS Frontend

A266526 a(n) = coefficient of x^ny^(n+1)/n! in Log( Sum_{n>=0} (n + y)^(2n) * x^n/n! ), for n>=1.

Table of values

List of values

cp's OEIS Frontend

A266526 a(n) = coefficient of x^n*y^(n+1)/n! in Log( Sum_{n>=0} (n + y)^(2*n) * x^n/n! ), for n>=1.

Table of values

List of values

A266526 a(n) = coefficient of x^ny^(n+1)/n! in Log( Sum_{n>=0} (n + y)^(2n) * x^n/n! ), for n>=1.