Triangle T(n, k, q) = binomial(n, k) - 1 + q^(n*binomial(n-2, k-1)) with T(n, 0, q) = T(n, n, q) = 1 and q = 2, read by rows.
A173043
Triangle T(n, k, q) = binomial(n, k) - 1 + q^(n*binomial(n-2, k-1)) with T(n, 0, q) = T(n, n, q) = 1 and q = 2, read by rows.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =5a(5) =1a(6) =1a(7) =10a(8) =10a(9) =1a(10) =1a(11) =19a(12) =261a(13) =19a(14) =1a(15) =1a(16) =36a(17) =32777a(18) =32777a(19) =36a(20) =1a(21) =1a(22) =69a(23) =16777230a(24) =68719476755a(25) =16777230a(26) =69a(27) =1a(28) =1a(29) =134
External references
- oeis: A173043