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.

A233085 Number of 4Xn 0..3 arrays with no element x(i,j) adjacent to value 3-x(i,j) horizontally or antidiagonally, top left element zero, and 1 appearing before 2 in row major order.

Table of values

n a(n)
1 36
2 1094
3 41675
4 1588262
5 60632429
6 2315298290
7 88417171553
8 3376534087742
9 128945571641429
10 4924269835697930
11 188051703434648393
12 7181459293743807062
13 274250946368131595069
14 10473300553139406347810
15 399962246005236076609073

List of values

[36, 1094, 41675, 1588262, 60632429, 2315298290, 88417171553, 3376534087742, 128945571641429, 4924269835697930, 188051703434648393, 7181459293743807062, 274250946368131595069, 10473300553139406347810, 399962246005236076609073]

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

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