a(n) = 3^n*A_{n, 1/3}(-1) where A_{n, k}(x) are the generalized Eulerian polynomials.
A225116
a(n) = 3^n*A_{n, 1/3}(-1) where A_{n, k}(x) are the generalized Eulerian polynomials.
Terms
- a(0) =1a(1) =5a(2) =24a(3) =110a(4) =480a(5) =2000a(6) =8064a(7) =32240a(8) =130560a(9) =531200a(10) =2095104a(11) =8030720a(12) =33546240a(13) =156569600a(14) =536838144a(15) =243660800a(16) =8589803520a(17) =244224819200a(18) =137438429184
External references
- oeis: A225116