A176749 - cp's OEIS frontend

A176749 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=-1.

n	a(n)
0	1
1	3
2	5
3	18
4	65
5	262
6	1093
7	4731
8	20979
9	94930
10	436451
11	2033321
12	9577653
13	45538184
14	218263593
15	1053456780
16	5115724797
17	24977183908
18	122537039845
19	603755499411
20	2986339566083
21	14823218200440
22	73813096856015
23	368631268757920

[1, 3, 5, 18, 65, 262, 1093, 4731, 20979, 94930, 436451, 2033321, 9577653, 45538184, 218263593, 1053456780, 5115724797, 24977183908, 122537039845, 603755499411, 2986339566083, 14823218200440, 73813096856015, 368631268757920]

cp's OEIS Frontend

A176749 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=-1.

Table of values

List of values