A176611 - cp's OEIS frontend

A176611 Sequence defined by the recurrence formula a(n+1)=sum(a(p)*a(n-p)+k,p=0..n)+l for n>=1, with here a(0)=1, a(1)=1, k=1 and l=1.

n	a(n)
0	1
1	1
2	5
3	15
4	45
5	151
6	549
7	2083
8	8133
9	32487
10	132141
11	545299
12	2277021
13	9603111
14	40844629
15	174997363
16	754562037
17	3271847975
18	14257744125
19	62407576979
20	274256671949
21	1209604653095
22	5352444701861
23	23755193862131

[1, 1, 5, 15, 45, 151, 549, 2083, 8133, 32487, 132141, 545299, 2277021, 9603111, 40844629, 174997363, 754562037, 3271847975, 14257744125, 62407576979, 274256671949, 1209604653095, 5352444701861, 23755193862131]

cp's OEIS Frontend

A176611 Sequence defined by the recurrence formula a(n+1)=sum(a(p)*a(n-p)+k,p=0..n)+l for n>=1, with here a(0)=1, a(1)=1, k=1 and l=1.

Table of values

List of values