A193040 - cp's OEIS frontend

A193040 G.f. A(x) satisfies: 1 = Sum_{n>=0} x^nA(-x)^A131507(n), where A131507 is defined as "2n+1 appears n times.".

n	a(n)
0	1
1	1
2	2
3	7
4	29
5	129
6	600
7	2889
8	14293
9	72228
10	371208
11	1934236
12	10194853
13	54258010
14	291175463
15	1573878211
16	8560931357
17	46825444031
18	257386132988
19	1421034475176
20	7876770462043
21	43817869686744
22	244552276036950
23	1368945007588648
24	7683977372121530

[1, 1, 2, 7, 29, 129, 600, 2889, 14293, 72228, 371208, 1934236, 10194853, 54258010, 291175463, 1573878211, 8560931357, 46825444031, 257386132988, 1421034475176, 7876770462043, 43817869686744, 244552276036950, 1368945007588648, 7683977372121530]

cp's OEIS Frontend

A193040 G.f. A(x) satisfies: 1 = Sum_{n>=0} x^nA(-x)^A131507(n), where A131507 is defined as "2n+1 appears n times.".

Table of values

List of values

cp's OEIS Frontend

A193040 G.f. A(x) satisfies: 1 = Sum_{n>=0} x^n*A(-x)^A131507(n), where A131507 is defined as "2*n+1 appears n times.".

Table of values

List of values

A193040 G.f. A(x) satisfies: 1 = Sum_{n>=0} x^nA(-x)^A131507(n), where A131507 is defined as "2n+1 appears n times.".