T(n,k)=Number of (n+1)X(k+1) arrays of permutations of 0..(n+1)*(k+1)-1 with each element having index change +-(.,.) 0,0 1,-2 or 1,1.
A264142
T(n,k)=Number of (n+1)X(k+1) arrays of permutations of 0..(n+1)*(k+1)-1 with each element having index change +-(.,.) 0,0 1,-2 or 1,1.
Terms
- a(0) =2a(1) =8a(2) =4a(3) =18a(4) =27a(5) =8a(6) =45a(7) =144a(8) =125a(9) =16a(10) =125a(11) =720a(12) =1440a(13) =512a(14) =32a(15) =320a(16) =3600a(17) =15488a(18) =14400a(19) =2197a(20) =64a(21) =832a(22) =18000a(23) =168948a(24) =297920a(25) =144000a(26) =9261a(27) =128a(28) =2197a(29) =90000
External references
- oeis: A264142