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.

A198718 Number of nX3 0..6 arrays with values 0..6 introduced in row major order and no element equal to any horizontal or vertical neighbor.

Table of values

n a(n)
1 2
2 34
3 2027
4 232841
5 34003792
6 5315840795
7 846047363854
8 135284283124811
9 21658679381667910
10 3468618095206638077
11 555543217744635684040
12 88979288917879960297469
13 14251565534424509235823960

List of values

[2, 34, 2027, 232841, 34003792, 5315840795, 846047363854, 135284283124811, 21658679381667910, 3468618095206638077, 555543217744635684040, 88979288917879960297469, 14251565534424509235823960]

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

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