Number of n X n symmetric binary arrays with rows, considered as binary numbers, in nondecreasing order, and no more than 9 ones in any row.

A162043

Number of n X n symmetric binary arrays with rows, considered as binary numbers, in nondecreasing order, and no more than 9 ones in any row.

Terms

    a(0) =2a(1) =5a(2) =17a(3) =86a(4) =698a(5) =9551a(6) =226592a(7) =9471845a(8) =705154187a(9) =93580638024

External references