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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.

A237386 Number of (n+1)X(2+1) 0..2 arrays colored with the maximum plus the upper median minus the minimum of every 2X2 subblock.

Table of values

n a(n)
1 434
2 3240
3 24340
4 183764
5 1379886
6 10406596
7 78612538
8 593121116
9 4469323758
10 33698637958
11 254212599808
12 1917348305880
13 14457809113682
14 109028076862576
15 822269791408032
16 6201236835251186
17 46765472722995182
18 352677245924001228

List of values

[434, 3240, 24340, 183764, 1379886, 10406596, 78612538, 593121116, 4469323758, 33698637958, 254212599808, 1917348305880, 14457809113682, 109028076862576, 822269791408032, 6201236835251186, 46765472722995182, 352677245924001228]

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

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