A207979 - cp's OEIS frontend

A207979 Number of n X 3 nonnegative integer arrays with new values 0 upwards introduced in row major order and no element equal to any diagonal or antidiagonal neighbor (colorings ignoring permutations of colors).

n	a(n)
1	5
2	67
3	4192
4	587208
5	147512732
6	58668937932
7	34119101220224
8	27451586022436696
9	29334574202437277520
10	40343697156563884675488
11	69646199705725564208484736
12	147875840329637502384856552096
13	379682313150983568999164195148800

[5, 67, 4192, 587208, 147512732, 58668937932, 34119101220224, 27451586022436696, 29334574202437277520, 40343697156563884675488, 69646199705725564208484736, 147875840329637502384856552096, 379682313150983568999164195148800]

cp's OEIS Frontend

A207979 Number of n X 3 nonnegative integer arrays with new values 0 upwards introduced in row major order and no element equal to any diagonal or antidiagonal neighbor (colorings ignoring permutations of colors).

Table of values

List of values