T(n,k)=Number of (n+1)X(k+1) arrays of permutations of 0..(n+1)*(k+1)-1 with each element having directed index change 0,1 0,-1 0,2 1,0 -1,0 or 2,0.
A264163
T(n,k)=Number of (n+1)X(k+1) arrays of permutations of 0..(n+1)*(k+1)-1 with each element having directed index change 0,1 0,-1 0,2 1,0 -1,0 or 2,0.
Terms
- a(0) =4a(1) =10a(2) =10a(3) =29a(4) =72a(5) =29a(6) =89a(7) =412a(8) =412a(9) =89a(10) =260a(11) =2927a(12) =5296a(13) =2927a(14) =260a(15) =772a(16) =19204a(17) =82167a(18) =82167a(19) =19204a(20) =772a(21) =2281a(22) =126688a(23) =1149961a(24) =2765728a(25) =1149961a(26) =126688a(27) =2281a(28) =6741a(29) =845296
External references
- oeis: A264163