T(n,k)=Number of length (n+k)X1 arrays of occupancy after each element moves up to +-k places but not 0 and without 2-loops.
A222165
T(n,k)=Number of length (n+k)X1 arrays of occupancy after each element moves up to +-k places but not 0 and without 2-loops.
Terms
- a(0) =0a(1) =1a(2) =0a(3) =13a(4) =5a(5) =0a(6) =81a(7) =57a(8) =17a(9) =0a(10) =381a(11) =329a(12) =205a(13) =53a(14) =0a(15) =1583a(16) =1488a(17) =1216a(18) =733a(19) =159a(20) =0a(21) =6231a(22) =6075a(23) =5576a(24) =4499a(25) =2627a(26) =467a(27) =0a(28) =24013a(29) =23775
External references
- oeis: A222165