A352465 - cp's OEIS frontend

A352465 a(0) = 1; a(n) = (1/n) * Sum_{k=1..n} binomial(2n,2k)^2 * k * a(n-k).

n	a(n)
0	1
1	1
2	19
3	1576
4	356035
5	172499176
6	154989443170
7	234120771123513
8	553941959716031715
9	1945912976888526218512
10	9731900583801946493234794
11	66990924607889809703423378253
12	617312916540194845307221190273098
13	7439659538258619452171059589120614701

[1, 1, 19, 1576, 356035, 172499176, 154989443170, 234120771123513, 553941959716031715, 1945912976888526218512, 9731900583801946493234794, 66990924607889809703423378253, 617312916540194845307221190273098, 7439659538258619452171059589120614701]

cp's OEIS Frontend

A352465 a(0) = 1; a(n) = (1/n) * Sum_{k=1..n} binomial(2n,2k)^2 * k * a(n-k).

Table of values

List of values

cp's OEIS Frontend

A352465 a(0) = 1; a(n) = (1/n) * Sum_{k=1..n} binomial(2*n,2*k)^2 * k * a(n-k).

Table of values

List of values

A352465 a(0) = 1; a(n) = (1/n) * Sum_{k=1..n} binomial(2n,2k)^2 * k * a(n-k).