Array read by antidiagonals: T(n,k) is the number of n X n symmetric binary matrices with no row sum greater than k.
A334548
Array read by antidiagonals: T(n,k) is the number of n X n symmetric binary matrices with no row sum greater than k.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =2a(5) =1a(6) =1a(7) =2a(8) =5a(9) =1a(10) =1a(11) =2a(12) =8a(13) =14a(14) =1a(15) =1a(16) =2a(17) =8a(18) =45a(19) =43a(20) =1a(21) =1a(22) =2a(23) =8a(24) =64a(25) =315a(26) =142a(27) =1a(28) =1a(29) =2
External references
- oeis: A334548