A377098 - cp's OEIS frontend

A377098 G.f. A(x) = Sum_{n>=0} a(n)x^n where a(n) = Sum_{k=0..n-1} [x^k] A(x)^(k(n-k)) for n >= 1 with a(0) = 1.

n	a(n)
0	1
1	1
2	2
3	8
4	55
5	525
6	6202
7	85842
8	1350421
9	23687392
10	457238998
11	9620344475
12	219011293036
13	5363006495793
14	140567134618434
15	3927060955253388
16	116510112059820553
17	3658928109471912657
18	121273249515650581850
19	4231012832296844451474
20	155003839703746214942229
21	5949765253601511005012122

[1, 1, 2, 8, 55, 525, 6202, 85842, 1350421, 23687392, 457238998, 9620344475, 219011293036, 5363006495793, 140567134618434, 3927060955253388, 116510112059820553, 3658928109471912657, 121273249515650581850, 4231012832296844451474, 155003839703746214942229, 5949765253601511005012122]

cp's OEIS Frontend

A377098 G.f. A(x) = Sum_{n>=0} a(n)x^n where a(n) = Sum_{k=0..n-1} [x^k] A(x)^(k(n-k)) for n >= 1 with a(0) = 1.

Table of values

List of values

cp's OEIS Frontend

A377098 G.f. A(x) = Sum_{n>=0} a(n)*x^n where a(n) = Sum_{k=0..n-1} [x^k] A(x)^(k*(n-k)) for n >= 1 with a(0) = 1.

Table of values

List of values

A377098 G.f. A(x) = Sum_{n>=0} a(n)x^n where a(n) = Sum_{k=0..n-1} [x^k] A(x)^(k(n-k)) for n >= 1 with a(0) = 1.