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%I #2 Mar 30 2012 17:26:35
%S 2,28,47,49,135,173,225,258,375,384,439,507,525,545,552,570,577,583,
%T 600,629,665,691,784,818,855,886,1024,1050,1076,1095,1187,1245,1259,
%U 1306,1367,1448,1495,1501,1614,1618,1646,1655,1720,1812,1826,1832,1843,1861
%N Positions of 2 in A176983.
%F A176983(A177829(n))=2.
%Y Cf. A176983, A177829.
%K nonn
%O 1,1
%A _Zak Seidov_, May 14 2010
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