A378325 - cp's OEIS frontend

A378325 G.f. A(x) = Sum_{n>=0} a(n)*x^n, where a(n) = Sum_{k=0..n-1} [x^k] A(x)^k for n >= 1 with a(0) = 1.

n	a(n)
0	1
1	1
2	2
3	7
4	41
5	338
6	3499
7	42969
8	606351
9	9633640
10	169888025
11	3290314970
12	69409429043
13	1584105116525
14	38894316619948
15	1022411500472240
16	28653072049382809
17	852911635849385778
18	26876978490909421289
19	893929164892155754432
20	31296785296935394097351
21	1150551256823546563078988

[1, 1, 2, 7, 41, 338, 3499, 42969, 606351, 9633640, 169888025, 3290314970, 69409429043, 1584105116525, 38894316619948, 1022411500472240, 28653072049382809, 852911635849385778, 26876978490909421289, 893929164892155754432, 31296785296935394097351, 1150551256823546563078988]

cp's OEIS Frontend

A378325 G.f. A(x) = Sum_{n>=0} a(n)*x^n, where a(n) = Sum_{k=0..n-1} [x^k] A(x)^k for n >= 1 with a(0) = 1.

Table of values

List of values