A177123 - cp's OEIS frontend

A177123 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)=7, k=1 and l=1.

n	a(n)
0	1
1	7
2	17
3	87
4	417
5	2347
6	13497
7	81607
8	504537
9	3192747
10	20529537
11	133876327
12	882924177
13	5879675307
14	39478170697
15	266973261127
16	1816729697097
17	12431013514667
18	85476914070417
19	590327766229607
20	4093067887259777

[1, 7, 17, 87, 417, 2347, 13497, 81607, 504537, 3192747, 20529537, 133876327, 882924177, 5879675307, 39478170697, 266973261127, 1816729697097, 12431013514667, 85476914070417, 590327766229607, 4093067887259777]

cp's OEIS Frontend

A177123 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)=7, k=1 and l=1.

Table of values

List of values