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.

A220577 Equals one maps: number of n X 6 binary arrays indicating the locations of corresponding elements equal to exactly one of their horizontal and antidiagonal neighbors in a random 0..1 n X 6 array.

Table of values

n a(n)
1 32
2 1504
3 64497
4 2652007
5 106841503
6 4239598056
7 166807007000
8 6529331189875
9 254699982141104
10 9910761556318406
11 384907165469846911
12 14926115051516165111
13 578101882311226268847
14 22367892146863380815542

List of values

[32, 1504, 64497, 2652007, 106841503, 4239598056, 166807007000, 6529331189875, 254699982141104, 9910761556318406, 384907165469846911, 14926115051516165111, 578101882311226268847, 22367892146863380815542]

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

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