A177171 - cp's OEIS frontend

A177171 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)=9, k=0 and l=-2.

n	a(n)
0	1
1	9
2	16
3	111
4	508
5	3268
6	19230
7	125859
8	815208
9	5494796
10	37280170
11	257711524
12	1796835778
13	12665947790
14	89949355454
15	643580501287
16	4632487753748
17	33531130466872
18	243877573413062
19	1781555056684620
20	13065400778105878

[1, 9, 16, 111, 508, 3268, 19230, 125859, 815208, 5494796, 37280170, 257711524, 1796835778, 12665947790, 89949355454, 643580501287, 4632487753748, 33531130466872, 243877573413062, 1781555056684620, 13065400778105878]

cp's OEIS Frontend

A177171 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)=9, k=0 and l=-2.

Table of values

List of values