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.

A218424 Hilltop maps: number of nX6 binary arrays indicating the locations of corresponding elements not exceeded by any horizontal, vertical or antidiagonal neighbor in a random 0..1 nX6 array.

Table of values

n a(n)
1 31
2 2849
3 158429
4 9539915
5 572765605
6 34328798853
7 2058493362799
8 123428176573409
9 7400808508179025
10 443756537313437079
11 26607874601757021869
12 1595422183998461122637
13 95662355032495391763215

List of values

[31, 2849, 158429, 9539915, 572765605, 34328798853, 2058493362799, 123428176573409, 7400808508179025, 443756537313437079, 26607874601757021869, 1595422183998461122637, 95662355032495391763215]

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

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