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.

A274732 Number of 7Xn 0..2 arrays with no element equal to any value at offset (-1,-2) (-2,-1) or (-1,0) and new values introduced in order 0..2.

Table of values

n a(n)
1 32
2 1296
3 16524
4 301784
5 5634776
6 105328812
7 1980677448
8 37188898120
9 699226867860
10 13139454740876
11 246989200003420
12 4642070954166124
13 87252983103535936
14 1639953977382243676
15 30824192792654598004

List of values

[32, 1296, 16524, 301784, 5634776, 105328812, 1980677448, 37188898120, 699226867860, 13139454740876, 246989200003420, 4642070954166124, 87252983103535936, 1639953977382243676, 30824192792654598004]