Number of (n+6)X1 arrays of occupancy after each element moves up to +-6 places but not 0 and without 2-loops.

A222164

Number of (n+6)X1 arrays of occupancy after each element moves up to +-6 places but not 0 and without 2-loops.

Terms

    a(0) =1583a(1) =6075a(2) =22955a(3) =87009a(4) =331273a(5) =1265044a(6) =4836758a(7) =18497653

External references