T(n,k)=Number of nXk arrays of permutations of 0..n*k-1 with each element moved a city block distance of 0 or 2.
A263424
T(n,k)=Number of nXk arrays of permutations of 0..n*k-1 with each element moved a city block distance of 0 or 2.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =2a(4) =4a(5) =2a(6) =4a(7) =36a(8) =36a(9) =4a(10) =6a(11) =196a(12) =1272a(13) =196a(14) =6a(15) =9a(16) =961a(17) =26244a(18) =26244a(19) =961a(20) =9a(21) =15a(22) =5329a(23) =532620a(24) =1993744a(25) =532620a(26) =5329a(27) =15a(28) =25a(29) =29584
External references
- oeis: A263424