Triangle read by rows: T(n, k) = [z^k] P(n, z) where P(n, z) = Sum_{k=0..n} binomial(n, k) * Pochhammer(n - k + c, k) * z^k / k! and c = 4.
A062145
Triangle read by rows: T(n, k) = [z^k] P(n, z) where P(n, z) = Sum_{k=0..n} binomial(n, k) * Pochhammer(n - k + c, k) * z^k / k! and c = 4.
Terms
- a(0) =1a(1) =1a(2) =4a(3) =1a(4) =10a(5) =10a(6) =1a(7) =18a(8) =45a(9) =20a(10) =1a(11) =28a(12) =126a(13) =140a(14) =35a(15) =1a(16) =40a(17) =280a(18) =560a(19) =350a(20) =56a(21) =1a(22) =54a(23) =540a(24) =1680a(25) =1890a(26) =756a(27) =84a(28) =1a(29) =70
External references
- oeis: A062145