%I
%S 1,2,3,4,5,6,7,8,9,10,14,16,17,19,21,22,25,26,29,31,41,49,51,52,55,58,
%T 59,60,63,65,66,67,69,71,74,77,79,81,82,87,89,108,109,113,114,116,119,
%U 122,124,127,129,130,136,137,142,143,145,147,148,151,154,158,159,161,162,163
%N Classes of the phi iteration for which the smallest number is prime.
%C Rows of A058812 which begin with a prime. The actual primes are in A092873, which is A007755(n+2) for the n in this sequence.
%H T. D. Noe, <a href="/A136040/b136040.txt">Table of n, a(n) for n=1..288</a>
%H T. D. Noe, <a href="https://cs.uwaterloo.ca/journals/JIS/VOL11/Noe/noe080107.html">Primes in classes of the iterated totient function</a>, JIS 11 (2008) 08.1.2
%H Harold Shapiro, <a href="http://www.jstor.org/stable/2303988">An arithmetic function arising from the phi function</a>, Amer. Math. Monthly, Vol. 50, No. 1 (1943), 1830.
%K nonn
%O 1,2
%A _T. D. Noe_, Dec 12 2007
%E Added 63 and 159.  _T. D. Noe_, Nov 18 2008
