A105695 - cp's OEIS frontend

A105695 Expansion of (1-x)*c(x/(1+x)), where c(x) is the g.f. of the Catalan numbers (A000108).

n	a(n)
0	1
1	0
2	0
3	1
4	2
5	5
6	12
7	30
8	76
9	196
10	512
11	1353
12	3610
13	9713
14	26324
15	71799
16	196938
17	542895
18	1503312
19	4179603
20	11662902
21	32652735
22	91695540
23	258215664
24	728997192
25	2062967382
26	5850674704
27	16626415975
28	47337954326

[1, 0, 0, 1, 2, 5, 12, 30, 76, 196, 512, 1353, 3610, 9713, 26324, 71799, 196938, 542895, 1503312, 4179603, 11662902, 32652735, 91695540, 258215664, 728997192, 2062967382, 5850674704, 16626415975, 47337954326]

cp's OEIS Frontend

A105695 Expansion of (1-x)*c(x/(1+x)), where c(x) is the g.f. of the Catalan numbers (A000108).

Table of values

List of values