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.

A222383 Sum of neighbor maps: number of nX4 binary arrays indicating the locations of corresponding elements equal to the sum mod 3 of their horizontal and antidiagonal neighbors in a random 0..2 nX4 array.

Table of values

n a(n)
1 16
2 248
3 3968
4 63488
5 1048320
6 16777216
7 268435072
8 4294961152
9 68702699520
10 1099511597056
11 17592186044416
12 281474976700416
13 4503599627206656
14 72057490958712832
15 1152921504603963392
16 18446744073709551616

List of values

[16, 248, 3968, 63488, 1048320, 16777216, 268435072, 4294961152, 68702699520, 1099511597056, 17592186044416, 281474976700416, 4503599627206656, 72057490958712832, 1152921504603963392, 18446744073709551616]

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

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