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.

A183824 1/256 the number of (n+1)X6 0..3 arrays with no 2X2 subblock being a reflection across the shared element pair of any horizontal or vertical neighbor.

Table of values

n a(n)
1 50625
2 128578815
3 323115202755
4 814479338538099
5 2051388696859571241
6 5167876666358771202411
7 13018181193595377140956551

List of values

[50625, 128578815, 323115202755, 814479338538099, 2051388696859571241, 5167876666358771202411, 13018181193595377140956551]

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

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