A176755 - cp's OEIS frontend

A176755 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)=3, k=0 and l=-2.

n	a(n)
0	1
1	3
2	4
3	15
4	52
5	208
6	846
7	3579
8	15456
9	68096
10	304570
11	1379980
12	6319978
13	29211278
14	136086710
15	638364319
16	3012609980
17	14293438828
18	68139158918
19	326218902372
20	1567802352910
21	7561126873098
22	36581288824402
23	177496766695528

[1, 3, 4, 15, 52, 208, 846, 3579, 15456, 68096, 304570, 1379980, 6319978, 29211278, 136086710, 638364319, 3012609980, 14293438828, 68139158918, 326218902372, 1567802352910, 7561126873098, 36581288824402, 177496766695528]

cp's OEIS Frontend

A176755 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)=3, k=0 and l=-2.

Table of values

List of values