T(n,k)=Number of nXk 0..3 arrays with every repeated value in every row and column one larger mod 4 than the previous repeated value, and upper left element zero.
A268169
T(n,k)=Number of nXk 0..3 arrays with every repeated value in every row and column one larger mod 4 than the previous repeated value, and upper left element zero.
Terms
- a(0) =1a(1) =4a(2) =4a(3) =15a(4) =64a(5) =15a(6) =55a(7) =900a(8) =900a(9) =55a(10) =197a(11) =12100a(12) =44517a(13) =12100a(14) =197a(15) =695a(16) =155236a(17) =2059071a(18) =2059071a(19) =155236a(20) =695a(21) =2421a(22) =1932100a(23) =88808673a(24) =320575732a(25) =88808673a(26) =1932100a(27) =2421a(28) =8351a(29) =23444964
External references
- oeis: A268169