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%I #15 Jul 02 2017 12:17:22
%S 29,71,71,239,239,239,13001,50333,50333,374893,1831913,1831913,
%T 3836171,8467523,8467523,171374563,2260865401,2260865401,2260865401,
%U 2260865401,2260865401,1618263493747,5212787222677,5212787222677
%N Final prime of first member of A019518 that is divisible by 3^n.
%C Note that the ratio of distinct to total terms is anomalous to this point.
%e a(1)=29 since 2357111317192329 is divisible by 3.
%Y Cf. A019518, A183195, A183196.
%K base,nonn
%O 1,1
%A _James G. Merickel_, Dec 29 2010
%E a(22)-a(24) by Phil Carmody, Dec 29 2010