A375457 - cp's OEIS frontend

A375457 Expansion of the g.f. A(x) with the property that the sum of the first n coefficients in A(x/n)^n equals n for n >= 1.

n	a(n)
0	1
1	1
2	2
3	11
4	105
5	1375
6	22390
7	430954
8	9512029
9	235992263
10	6488607220
11	195627162152
12	6414053158664
13	227170447034030
14	8643069830739980
15	351580969750713450
16	15228097928340597681
17	699791999466718937425
18	34010355409897760336176
19	1743142054929355666550574
20	93975675621720312817066020

[1, 1, 2, 11, 105, 1375, 22390, 430954, 9512029, 235992263, 6488607220, 195627162152, 6414053158664, 227170447034030, 8643069830739980, 351580969750713450, 15228097928340597681, 699791999466718937425, 34010355409897760336176, 1743142054929355666550574, 93975675621720312817066020]

cp's OEIS Frontend

A375457 Expansion of the g.f. A(x) with the property that the sum of the first n coefficients in A(x/n)^n equals n for n >= 1.

Table of values

List of values