Number of n X 7 array permutations with each element not moving, or moving one space N, SW or SE.
A189433
Number of n X 7 array permutations with each element not moving, or moving one space N, SW or SE.
Terms
- a(0) =1a(1) =21a(2) =441a(3) =10069a(4) =278105a(5) =6944573a(6) =181540773a(7) =4742833745a(8) =124239687001
External references
- oeis: A189433