A362714 - cp's OEIS frontend

A362714 a(0) = 1 and a(n) = 2^(n-1)Product_{j=1..n} (4j - 3)^2 - Sum_{m=1..n-1} binomial(2n, 2m)a(m)a(n-m)/2 for n > 0.

n	a(n)
0	1
1	1
2	47
3	7395
4	2453425
5	1399055625
6	1221037941375
7	1513229875486875
8	2526879997358510625
9	5469272714829657020625
10	14892997153152592003359375
11	49826568404835717359311321875
12	200913471834337931507493300140625
13	960945974809003219596852282787265625
14	5378917217051713436481068409370884609375

[1, 1, 47, 7395, 2453425, 1399055625, 1221037941375, 1513229875486875, 2526879997358510625, 5469272714829657020625, 14892997153152592003359375, 49826568404835717359311321875, 200913471834337931507493300140625, 960945974809003219596852282787265625, 5378917217051713436481068409370884609375]

cp's OEIS Frontend

A362714 a(0) = 1 and a(n) = 2^(n-1)Product_{j=1..n} (4j - 3)^2 - Sum_{m=1..n-1} binomial(2n, 2m)a(m)a(n-m)/2 for n > 0.

Table of values

List of values

cp's OEIS Frontend

A362714 a(0) = 1 and a(n) = 2^(n-1)*Product_{j=1..n} (4*j - 3)^2 - Sum_{m=1..n-1} binomial(2*n, 2*m)*a(m)*a(n-m)/2 for n > 0.

Table of values

List of values

A362714 a(0) = 1 and a(n) = 2^(n-1)Product_{j=1..n} (4j - 3)^2 - Sum_{m=1..n-1} binomial(2n, 2m)a(m)a(n-m)/2 for n > 0.