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.

A183548 Number of nX3 0..2 arrays with each element equal to either the maximum or the minimum of its horizontal and vertical neighbors.

Table of values

n a(n)
1 3
2 71
3 583
4 5287
5 46841
6 417809
7 3721925
8 33169105
9 295565367
10 2633809823
11 23469955635
12 209141864227
13 1863672026457
14 16607262667561
15 147988036529381
16 1318727810932497
17 11751240682625031
18 104715815140064955

List of values

[3, 71, 583, 5287, 46841, 417809, 3721925, 33169105, 295565367, 2633809823, 23469955635, 209141864227, 1863672026457, 16607262667561, 147988036529381, 1318727810932497, 11751240682625031, 104715815140064955]

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

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