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A077533
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Multiples of 3 using only prime digits (2, 3, 5 and 7).
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3
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3, 27, 33, 57, 72, 75, 222, 225, 237, 252, 255, 273, 327, 333, 357, 372, 375, 522, 525, 537, 552, 555, 573, 723, 732, 735, 753, 777, 2223, 2232, 2235, 2253, 2277, 2322, 2325, 2337, 2352, 2355, 2373, 2523, 2532, 2535, 2553, 2577, 2727, 2733, 2757, 2772, 2775
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listen;
history;
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internal format)
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OFFSET
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1,1
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LINKS
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Table of n, a(n) for n=1..49.
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MATHEMATICA
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ok3Q[n_]:=And@@(MemberQ[{2, 3, 5, 7}, #]&/@IntegerDigits[n]); Select[3Range[0, 1000], ok3Q] (* From Harvey P. Dale, Mar 22 2011 *)
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CROSSREFS
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Sequence in context: A121068 A136895 A034594 * A175545 A032418 A108163
Adjacent sequences: A077530 A077531 A077532 * A077534 A077535 A077536
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KEYWORD
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base,nonn
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AUTHOR
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Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Nov 08 2002
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EXTENSIONS
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More terms from Sascha Kurz, Jan 03 2003
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STATUS
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approved
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