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.

A230181 Number of nX5 0..2 arrays x(i,j) with each element horizontally or antidiagonally next to at least one element with value 2-x(i,j).

Table of values

n a(n)
1 15
2 825
3 44487
4 2432241
5 133265847
6 7303192425
7 400233701367
8 21933865129257
9 1202033948127351
10 65874647188725513
11 3610105315787830647
12 197843342593747917321
13 10842339706191376541559
14 594188961646805379691401

List of values

[15, 825, 44487, 2432241, 133265847, 7303192425, 400233701367, 21933865129257, 1202033948127351, 65874647188725513, 3610105315787830647, 197843342593747917321, 10842339706191376541559, 594188961646805379691401]