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 0,0 0,2 1,0 or -1,-2.
A264364
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 0,0 0,2 1,0 or -1,-2.
Terms
- a(0) =1a(1) =3a(2) =1a(3) =9a(4) =6a(5) =1a(6) =18a(7) =36a(8) =13a(9) =1a(10) =36a(11) =120a(12) =169a(13) =28a(14) =1a(15) =78a(16) =400a(17) =936a(18) =784a(19) =60a(20) =1a(21) =169a(22) =1440a(23) =5184a(24) =7168a(25) =3600a(26) =129a(27) =1a(28) =364a(29) =5184
External references
- oeis: A264364