Expansion of g.f.: A(x) = Product_{n>=0} 1/( 1 - x/(1-x)^n )^( 1/2^(n+1) ).

A122993

Expansion of g.f.: A(x) = Product_{n>=0} 1/( 1 - x/(1-x)^n )^( 1/2^(n+1) ).

Terms

    a(0) =1a(1) =1a(2) =2a(3) =5a(4) =14a(5) =43a(6) =145a(7) =538a(8) =2194a(9) =9796a(10) =47635a(11) =250811a(12) =1421509a(13) =8623112a(14) =55693506a(15) =381175374a(16) =2753122695a(17) =20909082797a(18) =166448275680

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