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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.

A184374 1/3 the number of (n+1)X8 0..2 arrays with every 2X2 subblock having at least two equal elements connected horizontally or vertically.

Table of values

n a(n)
1 3046491
2 5040682279
3 8177524177277
4 13299774554091575
5 21624059735461675335
6 35159890626610196979641
7 57168347029530545962203193
8 92953139774330929595592449437
9 151137575901032303453595440035363

List of values

[3046491, 5040682279, 8177524177277, 13299774554091575, 21624059735461675335, 35159890626610196979641, 57168347029530545962203193, 92953139774330929595592449437, 151137575901032303453595440035363]

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

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