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.

A221070 Sum of neighbor maps: number of n X 6 binary arrays indicating the locations of corresponding elements equal to the sum mod 4 of their king-move neighbors in a random 0..3 n X 6 array.

Table of values

n a(n)
1 64
2 476
3 262144
4 16777216
5 811440640
6 68719476736
7 4398046511104
8 275046044778496
9 18014398509481984
10 1152921504606846976
11 73666094089946267648

List of values

[64, 476, 262144, 16777216, 811440640, 68719476736, 4398046511104, 275046044778496, 18014398509481984, 1152921504606846976, 73666094089946267648]

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

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