A246573 - cp's OEIS frontend

A246573 G.f.: sqrt( Sum_{n>=0} x^n / (1-x)^(4n+3) [Sum_{k=0..2n+1} C(2n+1,k)^2 * x^k]^2 ).

n	a(n)
0	1
1	3
2	15
3	125
4	1033
5	9385
6	88531
7	858739
8	8517503
9	85867417
10	877145957
11	9056393207
12	94337137375
13	990036525507
14	10456495695277
15	111048017798677
16	1185005002916425
17	12698840465721691
18	136594962042690591
19	1474203992211840997
20	15958236903892529399
21	173216891100594266403

[1, 3, 15, 125, 1033, 9385, 88531, 858739, 8517503, 85867417, 877145957, 9056393207, 94337137375, 990036525507, 10456495695277, 111048017798677, 1185005002916425, 12698840465721691, 136594962042690591, 1474203992211840997, 15958236903892529399, 173216891100594266403]

cp's OEIS Frontend

A246573 G.f.: sqrt( Sum_{n>=0} x^n / (1-x)^(4n+3) [Sum_{k=0..2n+1} C(2n+1,k)^2 * x^k]^2 ).

Table of values

List of values

cp's OEIS Frontend

A246573 G.f.: sqrt( Sum_{n>=0} x^n / (1-x)^(4*n+3) * [Sum_{k=0..2*n+1} C(2*n+1,k)^2 * x^k]^2 ).

Table of values

List of values

A246573 G.f.: sqrt( Sum_{n>=0} x^n / (1-x)^(4n+3) [Sum_{k=0..2n+1} C(2n+1,k)^2 * x^k]^2 ).