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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.

A262718 a(n) = (n+1)^n - 2*(n^n) + (n-1)^n.

Table of values

n a(n)
0 0
1 0
2 2
3 18
4 194
5 2550
6 39962
7 730002
8 15257090
9 359376750
10 9424209002
11 272385029466
12 8604312602690
13 294957765448710
14 10906288759973882
15 432701819402940450
16 18336112083960655874
17 826578941145375829470
18 39497618599385891373002
19 1994276034034710498109674

List of values

[0, 0, 2, 18, 194, 2550, 39962, 730002, 15257090, 359376750, 9424209002, 272385029466, 8604312602690, 294957765448710, 10906288759973882, 432701819402940450, 18336112083960655874, 826578941145375829470, 39497618599385891373002, 1994276034034710498109674]

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

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