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.

A065087 a(n) = A000166(n)*binomial(n+1,2).

Table of values

n a(n)
0 0
1 0
2 3
3 12
4 90
5 660
6 5565
7 51912
8 533988
9 6007320
10 73422855
11 969181620
12 13744757598
13 208462156812
14 3367465610145
15 57727981888080
16 1046800738237320
17 20020064118788592
18 402756584036805963
19 8502638996332570140
20 187953072550509445410
21 4341715975916768188740

List of values

[0, 0, 3, 12, 90, 660, 5565, 51912, 533988, 6007320, 73422855, 969181620, 13744757598, 208462156812, 3367465610145, 57727981888080, 1046800738237320, 20020064118788592, 402756584036805963, 8502638996332570140, 187953072550509445410, 4341715975916768188740]

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

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