Number of n X n symmetric binary arrays with rows, considered as binary numbers, in strictly increasing order, and no more than 5 ones in any row.
A162095
Number of n X n symmetric binary arrays with rows, considered as binary numbers, in strictly increasing order, and no more than 5 ones in any row.
Terms
- a(0) =2a(1) =3a(2) =9a(3) =48a(4) =438a(5) =6377a(6) =126669a(7) =3292900a(8) =104320191a(9) =3946694150a(10) =175609255247
External references
- oeis: A162095