A177128 - cp's OEIS frontend

A177128 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)=7, k=0 and l=1.

n	a(n)
0	1
1	7
2	15
3	80
4	371
5	2088
6	11771
7	70305
8	427405
9	2663932
10	16853341
11	108166507
12	701904555
13	4599254190
14	30383303055
15	202154463130
16	1353408327935
17	9110887281150
18	61632613465475
19	418751976874065
20	2856336340630845

[1, 7, 15, 80, 371, 2088, 11771, 70305, 427405, 2663932, 16853341, 108166507, 701904555, 4599254190, 30383303055, 202154463130, 1353408327935, 9110887281150, 61632613465475, 418751976874065, 2856336340630845]

cp's OEIS Frontend

A177128 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)=7, k=0 and l=1.

Table of values

List of values