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.

A324621 Number of permutations p of [1+n] such that n is the maximum of the number of elements in any integer interval [p(i)..i+(1+n)*[i

Table of values

n a(n)
0 0
1 1
2 1
3 7
4 31
5 185
6 1275
7 10095
8 90109
9 895169
10 9793829
11 116998199
12 1515196619
13 21143666585
14 316260079951
15 5047672782687
16 85623656678457
17 1538245254809537
18 29176112648650441
19 582614412521648359
20 12217688610474042487
21 268445509189890555577

List of values

[0, 1, 1, 7, 31, 185, 1275, 10095, 90109, 895169, 9793829, 116998199, 1515196619, 21143666585, 316260079951, 5047672782687, 85623656678457, 1538245254809537, 29176112648650441, 582614412521648359, 12217688610474042487, 268445509189890555577]

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

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