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.

A199132 Number of nX7 0..2 arrays with values 0..2 introduced in row major order, the number of instances of each value within one of each other, and no element equal to any horizontal or vertical neighbor.

Table of values

n a(n)
1 19
2 210
3 1038
4 48320
5 887966
6 5926852
7 358599045
8 7633754680
9 56435001338
10 3718131446504
11 84113596169937
12 647071266317908
13 44371190146396476
14 1031280656608709860
15 8107333731404729122
16 567373010032314560752

List of values

[19, 210, 1038, 48320, 887966, 5926852, 358599045, 7633754680, 56435001338, 3718131446504, 84113596169937, 647071266317908, 44371190146396476, 1031280656608709860, 8107333731404729122, 567373010032314560752]

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

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