Number of n X n symmetric binary arrays with rows, considered as binary numbers, in strictly increasing order, and no more than 9 ones in any row.
A162099
Number of n X n symmetric binary arrays with rows, considered as binary numbers, in strictly increasing order, and no more than 9 ones in any row.
Terms
- a(0) =2a(1) =3a(2) =9a(3) =48a(4) =438a(5) =6774a(6) =178263a(7) =8064528a(8) =635233629a(9) =87635138366
External references
- oeis: A162099