A177177 - cp's OEIS frontend

A177177 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=1 and l=-1.

n	a(n)
0	1
1	7
2	15
3	81
4	375
5	2113
6	11911
7	71221
8	433343
9	2704049
10	17125871
11	110044549
12	714925975
13	4690166833
14	31020995831
15	206646565637
16	1385159527343
17	9335979423089
18	63232378792703
19	430146956724677
20	2937659194003655

[1, 7, 15, 81, 375, 2113, 11911, 71221, 433343, 2704049, 17125871, 110044549, 714925975, 4690166833, 31020995831, 206646565637, 1385159527343, 9335979423089, 63232378792703, 430146956724677, 2937659194003655]

cp's OEIS Frontend

A177177 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=1 and l=-1.

Table of values

List of values