T(n,k)=Number of nXk nonnegative integer arrays with each row and column increasing from zero by 0, 1, 2 or 3.
A202924
T(n,k)=Number of nXk nonnegative integer arrays with each row and column increasing from zero by 0, 1, 2 or 3.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =4a(5) =1a(6) =1a(7) =10a(8) =10a(9) =1a(10) =1a(11) =20a(12) =90a(13) =20a(14) =1a(15) =1a(16) =35a(17) =534a(18) =534a(19) =35a(20) =1a(21) =1a(22) =56a(23) =2310a(24) =11016a(25) =2310a(26) =56a(27) =1a(28) =1a(29) =84
External references
- oeis: A202924