T(n,k)=Number of nXk 0..3 arrays with no three equal values forming an isosceles triangle, and new values introduced in 0..3 order.

A273968

T(n,k)=Number of nXk 0..3 arrays with no three equal values forming an isosceles triangle, and new values introduced in 0..3 order.

Terms

    a(0) =1a(1) =2a(2) =2a(3) =5a(4) =10a(5) =5a(6) =15a(7) =105a(8) =105a(9) =15a(10) =51a(11) =1264a(12) =1946a(13) =1264a(14) =51a(15) =187a(16) =13045a(17) =24587a(18) =24587a(19) =13045a(20) =187a(21) =715a(22) =136063a(23) =211121a(24) =49534a(25) =211121a(26) =136063a(27) =715a(28) =2795a(29) =1273961

External references