A300874 - cp's OEIS frontend

A300874 O.g.f. A(x) satisfies: [x^n] exp( n(n+1) A(x) ) = 2n [x^(n-1)] exp( n(n+1) A(x) ) for n>=1.

n	a(n)
1	1
2	1
3	6
4	78
5	1560
6	41484
7	1361640
8	52824144
9	2355612192
10	118455668960
11	6624336466880
12	407637626194080
13	27374154691010816
14	1992569727194556608
15	156335075280459423360
16	13158244845212096286720
17	1183162080050737698802176
18	113244610738097834450007552
19	11500380596282466998941623296
20	1235555832300741998445513374720
21	140061215510759508434434106953728

[1, 1, 6, 78, 1560, 41484, 1361640, 52824144, 2355612192, 118455668960, 6624336466880, 407637626194080, 27374154691010816, 1992569727194556608, 156335075280459423360, 13158244845212096286720, 1183162080050737698802176, 113244610738097834450007552, 11500380596282466998941623296, 1235555832300741998445513374720, 140061215510759508434434106953728]

cp's OEIS Frontend

A300874 O.g.f. A(x) satisfies: [x^n] exp( n(n+1) A(x) ) = 2n [x^(n-1)] exp( n(n+1) A(x) ) for n>=1.

Table of values

List of values

cp's OEIS Frontend

A300874 O.g.f. A(x) satisfies: [x^n] exp( n*(n+1) * A(x) ) = 2*n * [x^(n-1)] exp( n*(n+1) * A(x) ) for n>=1.

Table of values

List of values

A300874 O.g.f. A(x) satisfies: [x^n] exp( n(n+1) A(x) ) = 2n [x^(n-1)] exp( n(n+1) A(x) ) for n>=1.