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.

A074362 Coefficient of q^2 in nu(n), where nu(0) = 1, nu(1) = b and, for n >= 2, nu(n) = b*nu(n-1) + lambda*(1 + q + q^2 + ... + q^(n-2))*nu(n-2) with (b,lambda) = (3,1).

Table of values

n a(n)
0 0
1 0
2 0
3 0
4 10
5 66
6 336
7 1527
8 6513
9 26667
10 106102
11 413265
12 1583331
13 5986689
14 22392606
15 83002842
16 305308666
17 1115587020
18 4052786850
19 14648359515
20 52705460583
21 188868467853
22 674332868566
23 2399653030899
24 8513523719661

List of values

[0, 0, 0, 0, 10, 66, 336, 1527, 6513, 26667, 106102, 413265, 1583331, 5986689, 22392606, 83002842, 305308666, 1115587020, 4052786850, 14648359515, 52705460583, 188868467853, 674332868566, 2399653030899, 8513523719661]