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.

A264681 Number of (6+1)X(n+1) arrays of permutations of 0..n*7+6 with each element having directed index change -1,-1 1,0 -1,-2 -2,-2 or 0,1.

Table of values

n a(n)
1 0
2 108
3 2417
4 43131
5 1449467
6 43095017
7 1095840260
8 28215481268
9 738782370243
10 19083862672909
11 487695637623505
12 12462928299470408
13 318459601523206145
14 8122732708229887832
15 206973840286092630463
16 5272926892002041935804

List of values

[0, 108, 2417, 43131, 1449467, 43095017, 1095840260, 28215481268, 738782370243, 19083862672909, 487695637623505, 12462928299470408, 318459601523206145, 8122732708229887832, 206973840286092630463, 5272926892002041935804]

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

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