A037972 - cp's OEIS frontend

A037972 a(n) = n^2(n+1)binomial(2*n-2, n-1)/2.

n	a(n)
0	0
1	1
2	12
3	108
4	800
5	5250
6	31752
7	181104
8	988416
9	5212350
10	26741000
11	134132856
12	660284352
13	3199016548
14	15288882000
15	72209880000
16	337535723520
17	1563410094390
18	7182839945160
19	32761238433000
20	148450107960000
21	668693511305820
22	2995943329133040
23	13356820221694560

[0, 1, 12, 108, 800, 5250, 31752, 181104, 988416, 5212350, 26741000, 134132856, 660284352, 3199016548, 15288882000, 72209880000, 337535723520, 1563410094390, 7182839945160, 32761238433000, 148450107960000, 668693511305820, 2995943329133040, 13356820221694560]

cp's OEIS Frontend

A037972 a(n) = n^2(n+1)binomial(2*n-2, n-1)/2.

Table of values

List of values

cp's OEIS Frontend

A037972 a(n) = n^2*(n+1)*binomial(2*n-2, n-1)/2.

Table of values

List of values

A037972 a(n) = n^2(n+1)binomial(2*n-2, n-1)/2.