E.g.f. satisfies: L(x) = x*Sum_{n>=0} (2^n/n!)*Product_{k=0..n-1} L(3^k*x).
A177780
E.g.f. satisfies: L(x) = x*Sum_{n>=0} (2^n/n!)*Product_{k=0..n-1} L(3^k*x).
Terms
- a(0) =1a(1) =4a(2) =60a(3) =2496a(4) =276240a(5) =83893248a(6) =72508524480
External references
- oeis: A177780