A024492 - cp's OEIS frontend

A024492 Catalan numbers with odd index: a(n) = binomial(4n+2, 2n+1)/(2*n+2).

n	a(n)
0	1
1	5
2	42
3	429
4	4862
5	58786
6	742900
7	9694845
8	129644790
9	1767263190
10	24466267020
11	343059613650
12	4861946401452
13	69533550916004
14	1002242216651368
15	14544636039226909
16	212336130412243110
17	3116285494907301262
18	45950804324621742364
19	680425371729975800390

[1, 5, 42, 429, 4862, 58786, 742900, 9694845, 129644790, 1767263190, 24466267020, 343059613650, 4861946401452, 69533550916004, 1002242216651368, 14544636039226909, 212336130412243110, 3116285494907301262, 45950804324621742364, 680425371729975800390]

cp's OEIS Frontend

A024492 Catalan numbers with odd index: a(n) = binomial(4n+2, 2n+1)/(2*n+2).

Table of values

List of values

cp's OEIS Frontend

A024492 Catalan numbers with odd index: a(n) = binomial(4*n+2, 2*n+1)/(2*n+2).

Table of values

List of values

A024492 Catalan numbers with odd index: a(n) = binomial(4n+2, 2n+1)/(2*n+2).