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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.

A324355 Total number of occurrences of 5 in the (signed) displacement sets of all permutations of [n+5] divided by 5!.

Table of values

n a(n)
0 0
1 1
2 11
3 109
4 1115
5 12151
6 142205
7 1788361
8 24118967
9 347811859
10 5345895929
11 87298986325
12 1510075068419
13 27590646911023
14 531082929791861
15 10743610293871681
16 227906995674679535
17 5059315590877577131
18 117308151182930808977
19 2835988521500605314829

List of values

[0, 1, 11, 109, 1115, 12151, 142205, 1788361, 24118967, 347811859, 5345895929, 87298986325, 1510075068419, 27590646911023, 531082929791861, 10743610293871681, 227906995674679535, 5059315590877577131, 117308151182930808977, 2835988521500605314829]

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

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