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A050627
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Product of digits of n is a nonzero single-digit square.
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0
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1, 4, 9, 11, 14, 19, 22, 33, 41, 91, 111, 114, 119, 122, 133, 141, 191, 212, 221, 313, 331, 411, 911, 1111, 1114, 1119, 1122, 1133, 1141, 1191, 1212, 1221, 1313, 1331, 1411, 1911, 2112, 2121, 2211, 3113, 3131, 3311, 4111, 9111, 11111, 11114, 11119
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OFFSET
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1,2
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COMMENTS
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LINKS
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MATHEMATICA
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Select[Range[12000], MemberQ[{1, 4, 9}, Times@@IntegerDigits[#]]&] (* Harvey P. Dale, Jan 22 2016 *)
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CROSSREFS
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KEYWORD
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nonn,base
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AUTHOR
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STATUS
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approved
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