Number of nX(n+4) arrays of permutations of n+4 copies of 0..n-1 with every element equal to or 1 greater than any west or southwest neighbors modulo n and the upper left element equal to 0.
A267567
Number of nX(n+4) arrays of permutations of n+4 copies of 0..n-1 with every element equal to or 1 greater than any west or southwest neighbors modulo n and the upper left element equal to 0.
Terms
- a(0) =1a(1) =462a(2) =2046a(3) =60954a(4) =4032703a(5) =463755018a(6) =86034010064
External references
- oeis: A267567