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.

A264575 Number of (7+1)X(n+1) arrays of permutations of 0..n*8+7 with each element having directed index change 1,0 1,1 0,-1 or -1,1.

Table of values

n a(n)
1 4
2 64
3 646
4 18540
5 403872
6 13182464
7 298587595
8 8004883334
9 207395987160
10 5415371441696
11 139437679992950
12 3610605830997732
13 93761760429319800
14 2424276830794155853
15 62680901817510938800
16 1621243139189452222421

List of values

[4, 64, 646, 18540, 403872, 13182464, 298587595, 8004883334, 207395987160, 5415371441696, 139437679992950, 3610605830997732, 93761760429319800, 2424276830794155853, 62680901817510938800, 1621243139189452222421]

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

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