A176759 - cp's OEIS frontend

A176759 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)=0, k=1 and l=-1.

n	a(n)
0	1
1	0
2	1
3	4
4	11
5	27
6	67
7	178
8	505
9	1489
10	4473
11	13593
12	41749
13	129579
14	406021
15	1282464
16	4077987
17	13041655
18	41919347
19	135352451
20	438827223
21	1427986281
22	4662359911
23	15268900019
24	50143755435
25	165095296125
26	544847069819
27	1802020334105

[1, 0, 1, 4, 11, 27, 67, 178, 505, 1489, 4473, 13593, 41749, 129579, 406021, 1282464, 4077987, 13041655, 41919347, 135352451, 438827223, 1427986281, 4662359911, 15268900019, 50143755435, 165095296125, 544847069819, 1802020334105]

cp's OEIS Frontend

A176759 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)=0, k=1 and l=-1.

Table of values

List of values