A036910 - cp's OEIS frontend

A036910 a(n) = (binomial(4n, 2n) + binomial(2*n, n)^2)/2.

n	a(n)
0	1
1	5
2	53
3	662
4	8885
5	124130
6	1778966
7	25947612
8	383358645
9	5719519850
10	85990654178
11	1300866635172
12	19780031677718
13	302045506654052
14	4629016098160220
15	71163013287905912
16	1096960888092571317
17	16949379732631632570
18	262435310495071434602

[1, 5, 53, 662, 8885, 124130, 1778966, 25947612, 383358645, 5719519850, 85990654178, 1300866635172, 19780031677718, 302045506654052, 4629016098160220, 71163013287905912, 1096960888092571317, 16949379732631632570, 262435310495071434602]

cp's OEIS Frontend

A036910 a(n) = (binomial(4n, 2n) + binomial(2*n, n)^2)/2.

Table of values

List of values

cp's OEIS Frontend

A036910 a(n) = (binomial(4*n, 2*n) + binomial(2*n, n)^2)/2.

Table of values

List of values

A036910 a(n) = (binomial(4n, 2n) + binomial(2*n, n)^2)/2.