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.

A186212 Number of (n+1)X3 0..2 arrays with every 2X2 subblock determinant equal to some horizontal or vertical neighbor 2X2 subblock determinant.

Table of values

n a(n)
1 175
2 1969
3 18873
4 197619
5 2008031
6 20738153
7 213108423
8 2194753479
9 22587046821
10 232531438315
11 2393657704397
12 24641409679961
13 253666806143927
14 2611352484956083
15 26882320490736795
16 276737910767834565

List of values

[175, 1969, 18873, 197619, 2008031, 20738153, 213108423, 2194753479, 22587046821, 232531438315, 2393657704397, 24641409679961, 253666806143927, 2611352484956083, 26882320490736795, 276737910767834565]

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

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