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.

A162326 Let a(0) = a(1) = 1, and n*a(n) = 2*(-7+5*n)*a(n-1) + 9*(2-n)*a(n-2) for n >= 2.

Table of values

n a(n)
0 1
1 1
2 3
3 13
4 71
5 441
6 2955
7 20805
8 151695
9 1135345
10 8671763
11 67320573
12 529626839
13 4213228969
14 33833367963
15 273892683573
16 2232832964895
17 18314495896545
18 151037687326755
19 1251606057754605
20 10416531069771111
21 87029307323766681

List of values

[1, 1, 3, 13, 71, 441, 2955, 20805, 151695, 1135345, 8671763, 67320573, 529626839, 4213228969, 33833367963, 273892683573, 2232832964895, 18314495896545, 151037687326755, 1251606057754605, 10416531069771111, 87029307323766681]