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%I
%S 34,86,94,142,202,214,218,231,243,244,302,375,394,446,604,634,664,698,
%T 903,922,1042,1106,1138,1262,1275,1310,1335,1346,1402,1642,1762,1833,
%U 1838,1886,1894,1925,1942,1982,2014,2055,2102,2134,2182,2218,2265,2306,2344,2362
%N Numbers n such that d(n-1) = d(n) = d(n+1).
%H Erich Friedman, <a href="http://www2.stetson.edu/~efriedma/numbers.html">What's Special About This Number?</a> (See entry 34.)
%Y Cf. A000005, A005238.
%K nonn
%O 1,1
%A _N. J. A. Sloane_, Jun 02 2010
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