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.

A030429 a(n+2) = 7*a(n+1) - 7*a(n) - 9*n; a(n+4) = 9*a(n+3) - 22*a(n+2) + 21*a(n+1) - 7*a(n).

Table of values

n a(n)
0 1
1 2
2 7
3 26
4 115
5 596
6 3331
7 19100
8 110329
9 638540
10 3697405
11 21411974
12 124001893
13 718129334
14 4158891979
15 24085338398
16 139485124807
17 807798504728
18 4678193659303
19 27092766081872
20 156902006957821

List of values

[1, 2, 7, 26, 115, 596, 3331, 19100, 110329, 638540, 3697405, 21411974, 124001893, 718129334, 4158891979, 24085338398, 139485124807, 807798504728, 4678193659303, 27092766081872, 156902006957821]