Number of binary matrices with 3 distinct columns and any number of nonzero rows with n ones in every column and rows in nonincreasing lexicographic order.

A331390

Number of binary matrices with 3 distinct columns and any number of nonzero rows with n ones in every column and rows in nonincreasing lexicographic order.

Terms

    a(0) =1a(1) =9a(2) =29a(3) =68a(4) =134a(5) =237a(6) =388a(7) =600a(8) =887a(9) =1265a(10) =1751a(11) =2364a(12) =3124a(13) =4053a(14) =5174a(15) =6512a(16) =8093a(17) =9945a(18) =12097a(19) =14580a(20) =17426a(21) =20669a(22) =24344a(23) =28488a(24) =33139a(25) =38337a(26) =44123a(27) =50540a(28) =57632a(29) =65445

External references