Number of n X n symmetric binary arrays with rows, considered as binary numbers, in strictly increasing order, and no more than 7 ones in any row.
A162097
Number of n X n symmetric binary arrays with rows, considered as binary numbers, in strictly increasing order, and no more than 7 ones in any row.
Terms
- a(0) =2a(1) =3a(2) =9a(3) =48a(4) =438a(5) =6774a(6) =178263a(7) =7892642a(8) =552311584a(9) =57812454817
External references
- oeis: A162097