A052701 - cp's OEIS frontend

A052701 a(0) = 0; for n >= 1, a(n) = 2^(n-1)*C(n-1), where C(n) = A000108(n) Catalan numbers, n>0.

n	a(n)
0	0
1	1
2	2
3	8
4	40
5	224
6	1344
7	8448
8	54912
9	366080
10	2489344
11	17199104
12	120393728
13	852017152
14	6085836800
15	43818024960
16	317680680960
17	2317200261120
18	16992801914880
19	125210119372800
20	926554883358720
21	6882979133521920

[0, 1, 2, 8, 40, 224, 1344, 8448, 54912, 366080, 2489344, 17199104, 120393728, 852017152, 6085836800, 43818024960, 317680680960, 2317200261120, 16992801914880, 125210119372800, 926554883358720, 6882979133521920]

cp's OEIS Frontend

A052701 a(0) = 0; for n >= 1, a(n) = 2^(n-1)*C(n-1), where C(n) = A000108(n) Catalan numbers, n>0.

Table of values

List of values