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 north, west or northwest neighbors modulo n and the upper left element equal to 0.
A267404
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 north, west or northwest neighbors modulo n and the upper left element equal to 0.
Terms
- a(0) =1a(1) =462a(2) =200a(3) =1182a(4) =7664a(5) =52005a(6) =344458a(7) =2257160a(8) =14229034a(9) =87083229a(10) =511848967
External references
- oeis: A267404