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%I #6 Feb 25 2015 12:37:14
%S 2,3,5,6,7,8,22,23,24,25,26,27,28,45,47,48,52,53,55,57,58,62,63,64,65,
%T 66,67,68,73,74,75,76,77,78,82,83,84,85,86,87,88,92,93,94,95,97,98,
%U 202,205,206,207,208,222,223,225,232,233,234,235,236,238,242,243,244,245,252,253,255
%N Natural numbers n, not multiples of 10, such that n and n^2 lack the digit 1 in their decimal expansions.
%C No trailing zeros allowed.
%Y Cf. A000027, A052383, A067251, A255398.
%K nonn,base
%O 1,1
%A _Zak Seidov_, Feb 23 2015