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%I #3 Jun 19 2015 15:48:05
%S 9,23,83,431,3001,27457,10626,112087,87306,172810,280217,390133,
%T 353555,750243,1318106,937023,367542,2615090,3434663,3281065,3270774,
%U 4979697,8021665,4627825,5618666,11169397
%N a(n) = n-th pi-based antiderivative of 9.
%F a(n) = min { m >= 0 : A258851^n(m) = 9 }.
%Y Row n=9 of A259016.
%Y Cf. A000720, A258851.
%K nonn
%O 0,1
%A _Alois P. Heinz_, Jun 19 2015