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.

A264168 Number of (n+1)X(3+1) arrays of permutations of 0..n*4+3 with each element having directed index change 0,0 0,1 1,0 -2,-1 or -1,-2.

Table of values

n a(n)
1 8
2 98
3 733
4 6017
5 50237
6 408698
7 3328825
8 27209977
9 222177128
10 1813435208
11 14803828328
12 120852647727
13 986565212628
14 8053684929404
15 65745379307052
16 536704982476363
17 4381328159577221
18 35766461741454310
19 291975358070256381

List of values

[8, 98, 733, 6017, 50237, 408698, 3328825, 27209977, 222177128, 1813435208, 14803828328, 120852647727, 986565212628, 8053684929404, 65745379307052, 536704982476363, 4381328159577221, 35766461741454310, 291975358070256381]

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

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