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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.

A083062 a(n) = (n+1)^n/(n+2) - (-1)^n/(n+2).

Table of values

n a(n)
0 0
1 1
2 2
3 13
4 104
5 1111
6 14706
7 233017
8 4304672
9 90909091
10 2161452050
11 57154490053
12 1664148937320
13 52914318216943
14 1824557876586914
15 67818912035696881
16 2703399548648159360
17 115047976828352449051
18 5206367514895562076642
19 249660952380952380952381

List of values

[0, 1, 2, 13, 104, 1111, 14706, 233017, 4304672, 90909091, 2161452050, 57154490053, 1664148937320, 52914318216943, 1824557876586914, 67818912035696881, 2703399548648159360, 115047976828352449051, 5206367514895562076642, 249660952380952380952381]

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

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