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.

A121723 a(n) = A098916(n+2) + (1-n) * A067318(n).

Table of values

n a(n)
1 0
2 3
3 22
4 150
5 1096
6 8820
7 78408
8 767088
9 8212608
10 95657760
11 1205438400
12 16350871680
13 237633108480
14 3685053415680
15 60748282022400
16 1061014235904000
17 19574489449267200
18 380408796994867200
19 7768172642717491200

List of values

[0, 3, 22, 150, 1096, 8820, 78408, 767088, 8212608, 95657760, 1205438400, 16350871680, 237633108480, 3685053415680, 60748282022400, 1061014235904000, 19574489449267200, 380408796994867200, 7768172642717491200]

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

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