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Record values of d(n-1) + d(n+1), where d(k) is the number of divisors of k.
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%I #7 Mar 30 2012 17:22:58

%S 3,5,7,8,10,11,12,14,16,20,22,24,26,28,32,34,36,38,44,46,48,52,56,58,

%T 60,68,72,76,78,80,84,88,92,96,98,100,104,106,108,116,124,128,136,148,

%U 156,160,168,172,174,176,184,196,200,208,224,236,248,260,268

%N Record values of d(n-1) + d(n+1), where d(k) is the number of divisors of k.

%C The n are in A189828.

%H Donovan Johnson, <a href="/A189829/b189829.txt">Table of n, a(n) for n = 1..135</a>

%Y Cf. A189827, A189828.

%K nonn

%O 1,1

%A _T. D. Noe_, Apr 28 2011