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 2,2 1,0 -1,2 -2,-1 or -1,-1.
A264422
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 2,2 1,0 -1,2 -2,-1 or -1,-1.
Terms
- a(0) =0a(1) =2a(2) =1a(3) =0a(4) =3a(5) =1a(6) =0a(7) =12a(8) =20a(9) =1a(10) =4a(11) =37a(12) =96a(13) =85a(14) =1a(15) =0a(16) =119a(17) =499a(18) =529a(19) =351a(20) =3a(21) =0a(22) =385a(23) =2681a(24) =7311a(25) =4843a(26) =1462a(27) =3a(28) =8a(29) =1252
External references
- oeis: A264422