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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.

A230756 Number of (n+3)X(7+3) 0..2 arrays x(i,j) with each element diagonally or antidiagonally next to at least one element with value (x(i,j)+1) mod 3, and upper left element zero.

Table of values

n a(n)
1 46949808
2 90231813552
3 194576103540300
4 350956390609736652
5 645610139671314494208
6 1173949802576478433728192
7 2135728868490621147879828300
8 3882954971416088390717475507468

List of values

[46949808, 90231813552, 194576103540300, 350956390609736652, 645610139671314494208, 1173949802576478433728192, 2135728868490621147879828300, 3882954971416088390717475507468]

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

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