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%I #6 Mar 31 2012 20:02:09
%S 3,8,18,24,48,60,120,120,180,336,360,360,720,720,720,840,1260,1440,
%T 1680,1680,2520,2520,2520,2520,5040,5040,5040,5040,5040,5040,7560,
%U 7560,10080,10080,10080,10080,15120,15120,15120,15120,30160,20160,25200,25200
%N The first n-fold (at least) intrinsically 2-palindromic number (in base ten)
%F If d'(k) is the number of divisors of k minus 1 for square k and minus 2 for numbers of the form m^2+m, then a(n) is the first k for which d'(k)/2>n-1.
%Y Cf. A171702, A171703, A171704, A171705, A171706, A171740, A171741, A171742.
%K nonn,base
%O 1,1
%A _James G. Merickel_, Dec 16 2009
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