A176645 - cp's OEIS frontend

A176645 a(n+1) = m + Sum_{j=0..n} (a(j)*a(n-j) + k) for n>=1, with a(0)=1, a(1)=4, k=1 and m=1.

n	a(n)
0	1
1	4
2	11
3	42
4	177
5	817
6	3981
7	20164
8	105027
9	558915
10	3025287
11	16603039
12	92169795
13	516644985
14	2920055107
15	16622691454
16	95220681081
17	548477688005
18	3174801937437
19	18457766735525
20	107734640321681
21	631075890235811

[1, 4, 11, 42, 177, 817, 3981, 20164, 105027, 558915, 3025287, 16603039, 92169795, 516644985, 2920055107, 16622691454, 95220681081, 548477688005, 3174801937437, 18457766735525, 107734640321681, 631075890235811]

cp's OEIS Frontend

A176645 a(n+1) = m + Sum_{j=0..n} (a(j)*a(n-j) + k) for n>=1, with a(0)=1, a(1)=4, k=1 and m=1.

Table of values

List of values