A318264 - cp's OEIS frontend

A318264 Expansion of Product_{k>=1} (1 + C(k)*x^k), where C(k) is the Catalan number A000108.

n	a(n)
0	1
1	1
2	2
3	7
4	19
5	66
6	212
7	743
8	2487
9	9012
10	31177
11	113775
12	404584
13	1490726
14	5376676
15	20028981
16	73068861
17	273659672
18	1009921813
19	3801386137
20	14125670266
21	53477758556
22	199950414035
23	759566205693
24	2857261603610
25	10889590477287
26	41136917417501
27	157329747348492

[1, 1, 2, 7, 19, 66, 212, 743, 2487, 9012, 31177, 113775, 404584, 1490726, 5376676, 20028981, 73068861, 273659672, 1009921813, 3801386137, 14125670266, 53477758556, 199950414035, 759566205693, 2857261603610, 10889590477287, 41136917417501, 157329747348492]

cp's OEIS Frontend

A318264 Expansion of Product_{k>=1} (1 + C(k)*x^k), where C(k) is the Catalan number A000108.

Table of values

List of values