A246563 - cp's OEIS frontend

A246563 G.f.: Sum_{n>=0} x^n / (1-x^2)^(2n+1) [Sum_{k=0..n} C(n,k)^2 * x^(2*k)]^2.

n	a(n)
0	1
1	1
2	2
3	6
4	15
5	39
6	116
7	340
8	1001
9	3041
10	9322
11	28718
12	89363
13	279987
14	881376
15	2788464
16	8860677
17	28256709
18	90407666
19	290124182
20	933482527
21	3010689527
22	9731366060
23	31516942060
24	102259648701
25	332347297141
26	1081810639970
27	3526399820374
28	11510355762339
29	37616896717155

[1, 1, 2, 6, 15, 39, 116, 340, 1001, 3041, 9322, 28718, 89363, 279987, 881376, 2788464, 8860677, 28256709, 90407666, 290124182, 933482527, 3010689527, 9731366060, 31516942060, 102259648701, 332347297141, 1081810639970, 3526399820374, 11510355762339, 37616896717155]

cp's OEIS Frontend

A246563 G.f.: Sum_{n>=0} x^n / (1-x^2)^(2n+1) [Sum_{k=0..n} C(n,k)^2 * x^(2*k)]^2.

Table of values

List of values

cp's OEIS Frontend

A246563 G.f.: Sum_{n>=0} x^n / (1-x^2)^(2*n+1) * [Sum_{k=0..n} C(n,k)^2 * x^(2*k)]^2.

Table of values

List of values

A246563 G.f.: Sum_{n>=0} x^n / (1-x^2)^(2n+1) [Sum_{k=0..n} C(n,k)^2 * x^(2*k)]^2.