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.

A190870 a(n) = 11*a(n-1) - 22*a(n-2), a(0)=0, a(1)=1.

Table of values

n a(n)
0 0
1 1
2 11
3 99
4 847
5 7139
6 59895
7 501787
8 4201967
9 35182323
10 294562279
11 2466173963
12 20647543455
13 172867150819
14 1447292702999
15 12117142414971
16 101448127098703
17 849352264956371
18 7111016118348615
19 59535427472794603
20 498447347597071103
21 4173141419166300867

List of values

[0, 1, 11, 99, 847, 7139, 59895, 501787, 4201967, 35182323, 294562279, 2466173963, 20647543455, 172867150819, 1447292702999, 12117142414971, 101448127098703, 849352264956371, 7111016118348615, 59535427472794603, 498447347597071103, 4173141419166300867]