A336010 - cp's OEIS frontend

A336010 a(0) = ... = a(4) = 1; a(n) = Sum_{k=0..n-5} binomial(n-5,k) * a(k) * a(n-k-5).

n	a(n)
0	1
1	1
2	1
3	1
4	1
5	1
6	2
7	4
8	8
9	16
10	32
11	66
12	148
13	374
14	1052
15	3156
16	9724
17	31096
18	104124
19	366696
20	1355624
21	5220120
22	20763160
23	84944720
24	357759200
25	1557192440
26	7029575320
27	32929457880
28	159764303320
29	800509163360
30	4132518624560
31	21953331512080
32	119966645509440

[1, 1, 1, 1, 1, 1, 2, 4, 8, 16, 32, 66, 148, 374, 1052, 3156, 9724, 31096, 104124, 366696, 1355624, 5220120, 20763160, 84944720, 357759200, 1557192440, 7029575320, 32929457880, 159764303320, 800509163360, 4132518624560, 21953331512080, 119966645509440]

cp's OEIS Frontend

A336010 a(0) = ... = a(4) = 1; a(n) = Sum_{k=0..n-5} binomial(n-5,k) * a(k) * a(n-k-5).

Table of values

List of values