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.

A303523 Number of nX6 0..1 arrays with every element equal to 0, 1, 3, 4, 5 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.

Table of values

n a(n)
1 13
2 113
3 286
4 1875
5 13031
6 102779
7 965150
8 9961980
9 109395622
10 1249312308
11 14535068668
12 170908188530
13 2021484478581
14 23981853993648
15 284987683948763
16 3389805878799915
17 40340446531700113
18 480206820275333547

List of values

[13, 113, 286, 1875, 13031, 102779, 965150, 9961980, 109395622, 1249312308, 14535068668, 170908188530, 2021484478581, 23981853993648, 284987683948763, 3389805878799915, 40340446531700113, 480206820275333547]

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

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