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%I #4 Aug 28 2017 09:19:11
%S 5,15,16,17,18,23,25,27,57,65,68,73,75,77,82,85,156,157,158,162,163,
%T 164,165,166,167,168,172,173,185,193,206,207,208,215,218,222,223,232,
%U 233,235,273,275,277,278,282,287,288,292,307,315,472,473,474,475,476
%N Numbers k such that 2 is the smallest decimal digit of k^2.
%e 278 is in the sequence because 278^2 = 77284, the smallest decimal digit of which is 2.
%o (PARI) select(k->vecmin(digits(k^2))==2, vector(1000, k, k))
%Y Cf. A291625, A291626, A291628, A291629, A291630, A291631.
%K nonn,base
%O 1,1
%A _Colin Barker_, Aug 28 2017
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