Number of (n+6)X1 arrays of occupancy after each element moves up to +-6 places but not 0.
A222553
Number of (n+6)X1 arrays of occupancy after each element moves up to +-6 places but not 0.
Terms
- a(0) =1709a(1) =6372a(2) =24024a(3) =91052a(4) =346091a(5) =1318249a(6) =5029086a(7) =19207812a(8) =73418105a(9) =280780468a(10) =1074200514a(11) =4110562320a(12) =15731749698a(13) =60212701130a(14) =230472089415
External references
- oeis: A222553