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.

A095002 a(n) = 9*a(n-1) - 9*a(n-2) + a(n-3); given a(1) = 1, a(2) = 3, a(3) = 19.

Table of values

n a(n)
1 1
2 3
3 19
4 145
5 1137
6 8947
7 70435
8 554529
9 4365793
10 34371811
11 270608691
12 2130497713
13 16773373009
14 132056486355
15 1039678517827
16 8185371656257
17 64443294732225
18 507360986201539
19 3994444594880083
20 31448195772839121
21 247591121587832881
22 1949280776929823923

List of values

[1, 3, 19, 145, 1137, 8947, 70435, 554529, 4365793, 34371811, 270608691, 2130497713, 16773373009, 132056486355, 1039678517827, 8185371656257, 64443294732225, 507360986201539, 3994444594880083, 31448195772839121, 247591121587832881, 1949280776929823923]