A317135 - cp's OEIS frontend

A317135 G.f.: Sum_{n>=0} binomial(4n+2, n)/(2n+1) * x^(n+1)/(1+x)^(2*n+1).

n	a(n)
0	1
1	1
2	4
3	18
4	92
5	504
6	2897
7	17235
8	105233
9	655687
10	4152461
11	26650675
12	172961053
13	1133152365
14	7484233381
15	49780558057
16	333155274455
17	2241793462963
18	15158132783457
19	102938343190333
20	701783155862751
21	4801340686195787
22	32954688422181493
23	226853921031126233
24	1565828056187052419
25	10834714749540715871
26	75142241780769151970
27	522240807596491906516

[1, 1, 4, 18, 92, 504, 2897, 17235, 105233, 655687, 4152461, 26650675, 172961053, 1133152365, 7484233381, 49780558057, 333155274455, 2241793462963, 15158132783457, 102938343190333, 701783155862751, 4801340686195787, 32954688422181493, 226853921031126233, 1565828056187052419, 10834714749540715871, 75142241780769151970, 522240807596491906516]

cp's OEIS Frontend

A317135 G.f.: Sum_{n>=0} binomial(4n+2, n)/(2n+1) * x^(n+1)/(1+x)^(2*n+1).

Table of values

List of values

cp's OEIS Frontend

A317135 G.f.: Sum_{n>=0} binomial(4*n+2, n)/(2*n+1) * x^(n+1)/(1+x)^(2*n+1).

Table of values

List of values

A317135 G.f.: Sum_{n>=0} binomial(4n+2, n)/(2n+1) * x^(n+1)/(1+x)^(2*n+1).