G.f.: A(x) = Sum_{n>=0} Product_{k=1..n} ((1+x)^k - 1).
A179525
G.f.: A(x) = Sum_{n>=0} Product_{k=1..n} ((1+x)^k - 1).
Terms
- a(0) =1a(1) =1a(2) =2a(3) =7a(4) =33a(5) =197a(6) =1419a(7) =11966a(8) =115575a(9) =1257718a(10) =15223822a(11) =202860828a(12) =2950665011a(13) =46516215168a(14) =790009447590
External references
- oeis: A179525