T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with no 2X2 subblock having x11-x00 less than x10-x01.
A251801
T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with no 2X2 subblock having x11-x00 less than x10-x01.
Terms
- a(0) =150a(1) =1080a(2) =1740a(3) =6627a(4) =28932a(5) =19269a(6) =36552a(7) =348679a(8) =724300a(9) =216912a(10) =187000a(11) =3352272a(12) =17195593a(13) =18577404a(14) =2430631a(15) =905440a(16) =27291608a(17) =294088336a(18) =873945739a(19) =474547100a(20) =27278035a(21) =4206453a(22) =195753488a(23) =3934266515a(24) =26787273856a(25) =44356434596
External references
- oeis: A251801