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.

A229931 Number of nX5 0..2 arrays x(i,j) with each element horizontally, vertically or antidiagonally next to at least one element with value 2-x(i,j).

Table of values

n a(n)
1 15
2 4679
3 575757
4 78416265
5 10521395805
6 1411363459757
7 189537122520529
8 25452175156264451
9 3417529000078202173
10 458884977133199962799
11 61616812650798586337473
12 8273590477515811155826013

List of values

[15, 4679, 575757, 78416265, 10521395805, 1411363459757, 189537122520529, 25452175156264451, 3417529000078202173, 458884977133199962799, 61616812650798586337473, 8273590477515811155826013]

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

Content is available under The OEIS End-User License Agreement.