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.

A001910 a(n) = n*a(n-1) + (n-5)*a(n-2).

Table of values

n a(n)
3 0
4 1
5 5
6 31
7 227
8 1909
9 18089
10 190435
11 2203319
12 27772873
13 378673901
14 5551390471
15 87057596075
16 1453986832381
17 25762467303377
18 482626240281739
19 9530573107600319
20 197850855756232465
21 4307357140602486869
22 98125321641110663023
23 2334414826276390013171

List of values

[0, 1, 5, 31, 227, 1909, 18089, 190435, 2203319, 27772873, 378673901, 5551390471, 87057596075, 1453986832381, 25762467303377, 482626240281739, 9530573107600319, 197850855756232465, 4307357140602486869, 98125321641110663023, 2334414826276390013171]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement.