A352435 - cp's OEIS frontend

A352435 a(0) = 1; a(n) = Sum_{k=0..floor((n-1)/2)} binomial(n,2k+1) a(k) * a(n-2*k-1).

n	a(n)
0	1
1	1
2	2
3	7
4	32
5	182
6	1244
7	9919
8	90384
9	926552
10	10553728
11	132231446
12	1807390960
13	26762801828
14	426771821000
15	7291604699407
16	132885997278944
17	2573145015936096
18	52756125043795232
19	1141727892772848248
20	26009303834699461248
21	622134297287753003008
22	15589886235793001142016

[1, 1, 2, 7, 32, 182, 1244, 9919, 90384, 926552, 10553728, 132231446, 1807390960, 26762801828, 426771821000, 7291604699407, 132885997278944, 2573145015936096, 52756125043795232, 1141727892772848248, 26009303834699461248, 622134297287753003008, 15589886235793001142016]

cp's OEIS Frontend

A352435 a(0) = 1; a(n) = Sum_{k=0..floor((n-1)/2)} binomial(n,2k+1) a(k) * a(n-2*k-1).

Table of values

List of values

cp's OEIS Frontend

A352435 a(0) = 1; a(n) = Sum_{k=0..floor((n-1)/2)} binomial(n,2*k+1) * a(k) * a(n-2*k-1).

Table of values

List of values

A352435 a(0) = 1; a(n) = Sum_{k=0..floor((n-1)/2)} binomial(n,2k+1) a(k) * a(n-2*k-1).