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.

A203832 Number of (n+1)X6 0..2 arrays with every 2X2 subblock having equal diagonal elements or equal antidiagonal elements.

Table of values

n a(n)
1 28125
2 1330353
3 66490965
4 3383285769
5 173185290765
6 8882824128417
7 455911325162757
8 23404859123410809
9 1201610596654827837
10 61692467471143085457
11 3167408545022070490293
12 162621217966800381937641

List of values

[28125, 1330353, 66490965, 3383285769, 173185290765, 8882824128417, 455911325162757, 23404859123410809, 1201610596654827837, 61692467471143085457, 3167408545022070490293, 162621217966800381937641]

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

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