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.

A202811 Number of nX7 nonnegative integer arrays with each row and column increasing from zero by 0, 1 or 2.

Table of values

n a(n)
1 1
2 28
3 1925
4 185051
5 17870566
6 1420586923
7 83834499040
8 3569257400553
9 111459151645204
10 2641129540510016
11 49234329818852639
12 745835721746043801
13 9437806620755614177
14 102070059376685237588
15 961550132935851976722

List of values

[1, 28, 1925, 185051, 17870566, 1420586923, 83834499040, 3569257400553, 111459151645204, 2641129540510016, 49234329818852639, 745835721746043801, 9437806620755614177, 102070059376685237588, 961550132935851976722]

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

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