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.

A321113 Number of permutations p of [n] such that in 0p the largest up-jump equals six and no down-jump is larger than 2.

Table of values

n a(n)
6 26
7 170
8 1078
9 6772
10 42366
11 263548
12 1626122
13 9993996
14 61372356
15 376754190
16 2312742484
17 14199997152
18 87223775288
19 536072840284
20 3296748123732
21 20287763348424
22 124932460269594
23 769857062164974
24 4747179317544360
25 29291823451184116
26 180856995405347960

List of values

[26, 170, 1078, 6772, 42366, 263548, 1626122, 9993996, 61372356, 376754190, 2312742484, 14199997152, 87223775288, 536072840284, 3296748123732, 20287763348424, 124932460269594, 769857062164974, 4747179317544360, 29291823451184116, 180856995405347960]

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

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