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.

A203488 Number of n X 5 0..2 arrays with row sums equal and column sums unequal to adjacent columns.

Table of values

n a(n)
1 48
2 3348
3 170868
4 8518564
5 421158558
6 20726134056
7 1022868051652
8 50561285393908
9 2503295874466950
10 124208845614214498
11 6167894219771885242
12 306989800251437858776
13 15307714522320704176494
14 764702726505274412235480

List of values

[48, 3348, 170868, 8518564, 421158558, 20726134056, 1022868051652, 50561285393908, 2503295874466950, 124208845614214498, 6167894219771885242, 306989800251437858776, 15307714522320704176494, 764702726505274412235480]

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

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