E.g.f.: A(x) = exp(x*A(x)^3*exp(x*A(x)^4*exp(x*A(x)^5*exp(x*A(x)^6*exp(...))))), an infinite power tower.
1, 1, 9, 175, 5357, 225461, 12112675, 792855043, 61249418585, 5456747990665
2 seqfan posts
Wed Aug 18 04:58:00 CEST 2010 [seqfan] Re: not all prime