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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.

A218352 Hilltop maps: number of nX6 binary arrays indicating the locations of corresponding elements not exceeded by any horizontal or vertical neighbor in a random 0..1 nX6 array.

Table of values

n a(n)
1 31
2 2007
3 105913
4 5609569
5 300126903
6 16031828359
7 856149291505
8 45726317510017
9 2442206384575879
10 130435504723928475
11 6966420606934069925
12 372069142324752766777
13 19871816932607721069123
14 1061332595121563636599299

List of values

[31, 2007, 105913, 5609569, 300126903, 16031828359, 856149291505, 45726317510017, 2442206384575879, 130435504723928475, 6966420606934069925, 372069142324752766777, 19871816932607721069123, 1061332595121563636599299]

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

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