cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A176751 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)=5, k=0 and l=-1.

Table of values

n a(n)
0 1
1 5
2 9
3 42
4 173
5 846
6 4177
7 21691
8 114911
9 622910
10 3428951
11 19138401
12 108003785
13 615344844
14 3534413525
15 20444816044
16 118994823449
17 696370777980
18 4095034311841
19 24185709305851
20 143402427296079
21 853276282454676

List of values

[1, 5, 9, 42, 173, 846, 4177, 21691, 114911, 622910, 3428951, 19138401, 108003785, 615344844, 3534413525, 20444816044, 118994823449, 696370777980, 4095034311841, 24185709305851, 143402427296079, 853276282454676]