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.

A222382 Sum of neighbor maps: number of n X 3 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 n X 3 array.

Table of values

n a(n)
1 8
2 48
3 512
4 3968
5 32768
6 261376
7 2097152
8 16773120
9 134217728
10 1073721344
11 8589934592
12 68719378432
13 549755813888
14 4398046052352
15 35184372088832
16 281474974613504
17 2251799813685248
18 18014398500044800
19 144115188075855872

List of values

[8, 48, 512, 3968, 32768, 261376, 2097152, 16773120, 134217728, 1073721344, 8589934592, 68719378432, 549755813888, 4398046052352, 35184372088832, 281474974613504, 2251799813685248, 18014398500044800, 144115188075855872]