E.g.f.: A(x) = 1 + Sum_{n>=1} (1/n!)*Product_{k=1..n} -log(1 - k(k+1)x/2).
A171779
E.g.f.: A(x) = 1 + Sum_{n>=1} (1/n!)*Product_{k=1..n} -log(1 - k(k+1)x/2).
Terms
- a(0) =1a(1) =1a(2) =4a(3) =38a(4) =693a(5) =21294a(6) =1011792a(7) =69920766a(8) =6710698740a(9) =862907887944
External references
- oeis: A171779