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%I #8 Jul 13 2013 12:04:18
%S 2,3,4,4,6,5,8,9,6,6,12,7,14,15,16,7,18,19,20,9,22,23,24,25,8,27,28,8,
%T 30,31,11,33,34,35,36,9,12,39,40,41,42,43,13,45,46,47,9,10,50,14,52,
%U 53,54,55,56,57,58,15,60,61,62,63,64,65,66,16,11,69,70
%N Index of first row in triangle A199333 containing n-th prime.
%C a(n) <= n + 1.
%H Reinhard Zumkeller, <a href="/A199424/b199424.txt">Table of n, a(n) for n = 1..150</a>
%o (Haskell)
%o import Data.List (findIndex)
%o import Data.Maybe (fromJust)
%o a199424 n = fromJust $ findIndex (elem $ a000040 n) a199333_tabl
%Y Cf. A199425, A058084.
%K nonn
%O 1,1
%A _Reinhard Zumkeller_, Nov 09 2011
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