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.

A143167 Second column of triangle A000369: |S2(-3;n+2,2)|.

Table of values

n a(n)
0 1
1 9
2 111
3 1785
4 35595
5 848925
6 23586255
7 748471185
8 26715409875
9 1059544210725
10 46230843633975
11 2201008238854425
12 113546715232225275
13 6309834090304870125
14 375777507964741257375
15 23876826206710426574625
16 1612323634555365676819875

List of values

[1, 9, 111, 1785, 35595, 848925, 23586255, 748471185, 26715409875, 1059544210725, 46230843633975, 2201008238854425, 113546715232225275, 6309834090304870125, 375777507964741257375, 23876826206710426574625, 1612323634555365676819875]

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

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