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.

A191686 a(n) = n^(n-1) - (n-1)^(n-1) - ... - 2^(n-1) - 1^(n-1).

Table of values

n a(n)
1 1
2 1
3 4
4 28
5 271
6 3351
7 50478
8 896848
9 18362109
10 425695015
11 11023082676
12 315332380452
13 9876127761371
14 336120888377743
15 12351836713047770
16 487443031053702976
17 20559664804361256953
18 923012267234425940655
19 43944912052993796265952
20 2211595951039098481159300

List of values

[1, 1, 4, 28, 271, 3351, 50478, 896848, 18362109, 425695015, 11023082676, 315332380452, 9876127761371, 336120888377743, 12351836713047770, 487443031053702976, 20559664804361256953, 923012267234425940655, 43944912052993796265952, 2211595951039098481159300]

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

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