Integer a(n) produces the least nonnegative integer coefficient of x^n in the n-th iteration of g.f. A(x).
A119817
Integer a(n) produces the least nonnegative integer coefficient of x^n in the n-th iteration of g.f. A(x).
Terms
- a(0) =1a(1) =1a(2) =-2a(3) =8a(4) =-40a(5) =210a(6) =-1032a(7) =4074a(8) =-9084a(9) =-1485a(10) =-139344a(11) =-1178057a(12) =97107644a(13) =533077818a(14) =-43465435335a(15) =-997494915376
External references
- oeis: A119817