A176678 - cp's OEIS frontend

A176678 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=0 and l=-1.

n	a(n)
0	1
1	2
2	3
3	9
4	29
5	102
6	373
7	1408
8	5441
9	21428
10	85697
11	347133
12	1421315
13	5872986
14	24459731
15	102570877
16	432725309
17	1835333352
18	7821313273
19	33472882591
20	143804772471
21	619960227498
22	2681200476223
23	11629248891246
24	50574022963079

[1, 2, 3, 9, 29, 102, 373, 1408, 5441, 21428, 85697, 347133, 1421315, 5872986, 24459731, 102570877, 432725309, 1835333352, 7821313273, 33472882591, 143804772471, 619960227498, 2681200476223, 11629248891246, 50574022963079]

cp's OEIS Frontend

A176678 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=0 and l=-1.

Table of values

List of values