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Numbers n such that for some m, A166133(m)=n, A166133(m+1)=n^2-1, in increasing order.
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%I #11 Apr 13 2015 15:01:11

%S 3,198,270,522,570,600,822,882,1062,1950,2130,2268,2310,2592,2970,

%T 3168,5022,5502,6702,7350,9438,10038,10428,10500,14010,14562,15288,

%U 16650,17028,17958,18060,18522,19698,19890,20550,20718,20772,22158,22638,23058,23562,24108,25170,25602

%N Numbers n such that for some m, A166133(m)=n, A166133(m+1)=n^2-1, in increasing order.

%C Subtracting 1 seems always to give a prime - see A256410.

%H Ray Chandler, <a href="/A256407/b256407.txt">Table of n, a(n) for n = 1..3258</a>

%Y Cf. A166133, A256410. This is A256406 sorted into increasing order.

%K nonn

%O 1,1

%A _N. J. A. Sloane_, Apr 01 2015