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A175471 Numbers n such that n^2 contains no digit less than 5. 0
3, 24, 26, 76, 83, 87, 236, 264, 313, 314, 316, 766, 816, 824, 834, 836, 883, 887, 937, 2366, 2383, 2387, 2424, 2563, 2626, 2976, 3114, 7613, 7666, 8117, 8167, 8184, 8234, 8286, 8366, 8716, 8813, 8814, 8887, 8937, 9266, 9316, 9363, 9417, 9474, 9786, 9833 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..47.

MATHEMATICA

Select[Range[10000], Min[IntegerDigits[#^2]]>4&] (* Harvey P. Dale, Dec 31 2013 *)

PROG

(PARI) isok(n) = vecmin(digits(n^2)) > 4; \\ Michel Marcus, Oct 15 2013

CROSSREFS

Cf. A158082, A158304.

Sequence in context: A168061 A261381 A065430 * A035409 A081312 A123598

Adjacent sequences:  A175468 A175469 A175470 * A175472 A175473 A175474

KEYWORD

base,nonn

AUTHOR

Zak Seidov, May 24 2010

STATUS

approved

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Last modified May 26 09:06 EDT 2017. Contains 287093 sequences.