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.

A222578 Number of 6Xn 0..2 arrays with no more than floor(6Xn/2) elements unequal to at least one horizontal, diagonal or antidiagonal neighbor, with new values introduced in row major 0..2 order.

Table of values

n a(n)
1 122
2 200
3 5210
4 50535
5 881766
6 14120189
7 278335019
8 5890042566
9 140281638242

List of values

[122, 200, 5210, 50535, 881766, 14120189, 278335019, 5890042566, 140281638242]

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

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