Expansion of e.g.f. (exp(exp(exp(exp(x)-1)-1)-1)-1)^2 / 2.

A351514

Expansion of e.g.f. (exp(exp(exp(exp(x)-1)-1)-1)-1)^2 / 2.

Terms

    a(0) =1a(1) =12a(2) =136a(3) =1650a(4) =21904a(5) =318521a(6) =5051988a(7) =86910426a(8) =1612648066a(9) =32107793135a(10) =682724688430

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