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.

A263975 Number of (3+1)X(n+1) arrays of permutations of 0..n*4+3 with each element having index change (+-,+-) 0,2 1,1 or 1,0.

Table of values

n a(n)
1 16
2 1441
3 86633
4 2604481
5 102742049
6 4952396901
7 224559467921
8 9479627840080
9 407499168253313
10 17951972257163801
11 787313274461726480
12 34237567537967020880
13 1490472641241784860976
14 65073777514668815019417

List of values

[16, 1441, 86633, 2604481, 102742049, 4952396901, 224559467921, 9479627840080, 407499168253313, 17951972257163801, 787313274461726480, 34237567537967020880, 1490472641241784860976, 65073777514668815019417]

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

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