E.g.f.: A(x) = Sum_{n>=0} (1/n!)*Product_{k=0..n-1} L(3^k*x), where L(x) is the e.g.f. of A177780.
A177779
E.g.f.: A(x) = Sum_{n>=0} (1/n!)*Product_{k=0..n-1} L(3^k*x), where L(x) is the e.g.f. of A177780.
Terms
- a(0) =1a(1) =1a(2) =7a(3) =159a(4) =10065a(5) =1769889a(6) =892392183
External references
- oeis: A177779