Number of n X n symmetric binary arrays with rows, considered as binary numbers, in nondecreasing order, and no more than 6 ones in any row.
A162040
Number of n X n symmetric binary arrays with rows, considered as binary numbers, in nondecreasing order, and no more than 6 ones in any row.
Terms
- a(0) =2a(1) =5a(2) =17a(3) =86a(4) =698a(5) =9551a(6) =217041a(7) =7494325a(8) =373961481a(9) =24759614016
External references
- oeis: A162040