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.

A187424 Number of (n+1)X7 0..2 arrays with every 2X2 subblock determinant equal to exactly one or two horizontal and vertical neighbor 2X2 subblock determinants.

Table of values

n a(n)
1 76263
2 2142214
3 56472058
4 2183222530
5 72355701549

List of values

[76263, 2142214, 56472058, 2183222530, 72355701549]

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

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