Expansion of e.g.f. exp(exp(4*x) - 1 - 2*x).
A367939
Expansion of e.g.f. exp(exp(4*x) - 1 - 2*x).
Terms
- a(0) =1a(1) =2a(2) =20a(3) =168a(4) =1936a(5) =25376a(6) =378688a(7) =6284928a(8) =114471168a(9) =2263605760a(10) =48192279552
External references
- oeis: A367939