T(n,k)=Number of nXk 0..6 arrays with every row and column nondecreasing rightwards and downwards, and the number of instances of each value within one of each other.
A201072
T(n,k)=Number of nXk 0..6 arrays with every row and column nondecreasing rightwards and downwards, and the number of instances of each value within one of each other.
Terms
- a(0) =7a(1) =21a(2) =21a(3) =35a(4) =70a(5) =35a(6) =35a(7) =35a(8) =35a(9) =35a(10) =21a(11) =77a(12) =514a(13) =77a(14) =21a(15) =7a(16) =749a(17) =2611a(18) =2611a(19) =749a(20) =7a(21) =1a(22) =972a(23) =3937a(24) =22440a(25) =3937a(26) =972a(27) =1a(28) =7a(29) =127
External references
- oeis: A201072