A117186 - cp's OEIS frontend

A117186 Expansion of (1+x)c(x^2)/((1-xc(x^2))*sqrt(1-4x^2)), c(x) the g.f. of A000108.

n	a(n)
0	1
1	2
2	5
3	9
4	21
5	38
6	86
7	157
8	349
9	642
10	1410
11	2610
12	5682
13	10572
14	22860
15	42717
16	91869
17	172298
18	368906
19	694054
20	1480486
21	2793012
22	5938740
23	11230834
24	23813746
25	45131348
26	95462996
27	181268292
28	382594884
29	727747608
30	1533053976

[1, 2, 5, 9, 21, 38, 86, 157, 349, 642, 1410, 2610, 5682, 10572, 22860, 42717, 91869, 172298, 368906, 694054, 1480486, 2793012, 5938740, 11230834, 23813746, 45131348, 95462996, 181268292, 382594884, 727747608, 1533053976]

cp's OEIS Frontend

A117186 Expansion of (1+x)c(x^2)/((1-xc(x^2))*sqrt(1-4x^2)), c(x) the g.f. of A000108.

Table of values

List of values