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.

A277770 Number of 5Xn 0..2 arrays with every element equal to some element at offset (-1,-1) (-1,0) (-1,1) (0,-1) (0,1) or (1,0) both plus 1 mod 3 and minus 1 mod 3, with new values introduced in order 0..2.

Table of values

n a(n)
1 0
2 56
3 3666
4 270291
5 20049229
6 1487830718
7 110036582827
8 8144355400488
9 602835463794197
10 44616311792079721
11 3302197502743906336
12 244405001824291326112
13 18089091210686721809130
14 1338824653239265489456655

List of values

[0, 56, 3666, 270291, 20049229, 1487830718, 110036582827, 8144355400488, 602835463794197, 44616311792079721, 3302197502743906336, 244405001824291326112, 18089091210686721809130, 1338824653239265489456655]