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a(n) = d(A175145(n)-1)+d(A175145(n)+1), where d(m) is the number of divisors of m.
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%I #7 Mar 11 2014 01:32:50

%S 3,5,7,8,10,11,12,14,16,20,22,26,28,32,34,36,38,44,46,48,56,60,68,72,

%T 76,80,84,92,96,100,106,108,128,136,148,156,160,168,174,176,196,200,

%U 208,236,244,248,260,304,328,344,392,416,436,456,484,520,528,536,592,608

%N a(n) = d(A175145(n)-1)+d(A175145(n)+1), where d(m) is the number of divisors of m.

%C This sequence is strictly monotonically increasing.

%Y Cf. A000005, A090481, A175144.

%K nonn

%O 1,1

%A _Leroy Quet_, Feb 24 2010

%E Extended by _Ray Chandler_, Mar 04 2010