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.

A321115 Number of permutations p of [n] such that in 0p the largest up-jump equals eight and no down-jump is larger than 2.

Table of values

n a(n)
8 218
9 1672
10 11840
11 80724
12 540122
13 3577200
14 23538730
15 154134422
16 1004867492
17 6532643538
18 42400841816
19 274916251180
20 1781266093356
21 11536471789526
22 74699007947826
23 483632170943926
24 3131266103627660
25 20275073235017968
26 131300482646184366
27 850449366760216588

List of values

[218, 1672, 11840, 80724, 540122, 3577200, 23538730, 154134422, 1004867492, 6532643538, 42400841816, 274916251180, 1781266093356, 11536471789526, 74699007947826, 483632170943926, 3131266103627660, 20275073235017968, 131300482646184366, 850449366760216588]

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

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