G.f. A(x) satisfies: A'(x) = A(B(x)) where B'(x) = A(x) with B(0)=0 and A(0)=1.

A231934

G.f. A(x) satisfies: A'(x) = A(B(x)) where B'(x) = A(x) with B(0)=0 and A(0)=1.

Terms

    a(0) =1a(1) =1a(2) =1a(3) =2a(4) =6a(5) =27a(6) =163a(7) =1271a(8) =12354a(9) =145801a(10) =2047083a(11) =33642256a(12) =638588460a(13) =13845027215a(14) =339607971556

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