Triangle read by rows: T(n,k) is the number of specially labeled bicolored nonseparable graphs with k points in one color class and n-k points in the other class. "Special" means there are separate labels 1,2,...,k and 1,2,...,n-k for the two color classes (n >= 2, k = 1,...,n-1).
A123301
Triangle read by rows: T(n,k) is the number of specially labeled bicolored nonseparable graphs with k points in one color class and n-k points in the other class. "Special" means there are separate labels 1,2,...,k and 1,2,...,n-k for the two color classes (n >= 2, k = 1,...,n-1).
Terms
- a(0) =1a(1) =0a(2) =0a(3) =0a(4) =1a(5) =0a(6) =0a(7) =1a(8) =1a(9) =0a(10) =0a(11) =1a(12) =34a(13) =1a(14) =0a(15) =0a(16) =1a(17) =199a(18) =199a(19) =1a(20) =0a(21) =0a(22) =1a(23) =916a(24) =7037a(25) =916a(26) =1a(27) =0a(28) =0a(29) =1
External references
- oeis: A123301