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.

A230173 Number of nX5 0..2 arrays x(i,j) with each element horizontally, vertically, diagonally or antidiagonally next to at least one element with value 2-x(i,j).

Table of values

n a(n)
1 15
2 10211
3 1637019
4 284444079
5 49754476927
6 8666440899433
7 1514677019365483
8 264644708761844781
9 46219801332800121297
10 8072805292655435557305
11 1410066823439995419927677
12 246292114172239867332919195

List of values

[15, 10211, 1637019, 284444079, 49754476927, 8666440899433, 1514677019365483, 264644708761844781, 46219801332800121297, 8072805292655435557305, 1410066823439995419927677, 246292114172239867332919195]

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

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