A176828 - cp's OEIS frontend

A176828 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)=2, k=1 and l=-1.

n	a(n)
0	1
1	2
2	5
3	16
4	55
5	203
6	791
7	3206
8	13373
9	57009
10	247221
11	1087029
12	4834785
13	21712543
14	98317921
15	448393292
16	2057777663
17	9495751679
18	44033646503
19	205087784247
20	958968100635
21	4500021108229
22	21185081246875
23	100029600031767

[1, 2, 5, 16, 55, 203, 791, 3206, 13373, 57009, 247221, 1087029, 4834785, 21712543, 98317921, 448393292, 2057777663, 9495751679, 44033646503, 205087784247, 958968100635, 4500021108229, 21185081246875, 100029600031767]

cp's OEIS Frontend

A176828 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)=2, k=1 and l=-1.

Table of values

List of values