A207866 - cp's OEIS frontend

A207866 Number of n X 4 nonnegative integer arrays with new values 0 upwards introduced in row major order and no element equal to any horizontal or vertical neighbor (colorings ignoring permutations of colors).

n	a(n)
1	5
2	500
3	278982
4	455546040
5	1625686993918
6	10764437129618296
7	119010390034543491042
8	2040368351234509987725212
9	51350903376256822436382238230
10	1818472780230512625778385363238944
11	87604972777997602798029710458933219862
12	5585379463993456459896660751935863285859008

[5, 500, 278982, 455546040, 1625686993918, 10764437129618296, 119010390034543491042, 2040368351234509987725212, 51350903376256822436382238230, 1818472780230512625778385363238944, 87604972777997602798029710458933219862, 5585379463993456459896660751935863285859008]

cp's OEIS Frontend

A207866 Number of n X 4 nonnegative integer arrays with new values 0 upwards introduced in row major order and no element equal to any horizontal or vertical neighbor (colorings ignoring permutations of colors).

Table of values

List of values