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A077534
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Multiples of 4 using only prime digits (2, 3, 5 and 7).
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2
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32, 52, 72, 232, 252, 272, 332, 352, 372, 532, 552, 572, 732, 752, 772, 2232, 2252, 2272, 2332, 2352, 2372, 2532, 2552, 2572, 2732, 2752, 2772, 3232, 3252, 3272, 3332, 3352, 3372, 3532, 3552, 3572, 3732, 3752, 3772, 5232, 5252, 5272, 5332, 5352, 5372
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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COMMENTS
| LSD = 2, Second LSD = odd, rest can be any prime digit (don't care).
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MATHEMATICA
| Select[4Range[2000], And@@PrimeQ[IntegerDigits[#]]&] [from Harvey P. Dale, Dec. 13, 2010]
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CROSSREFS
| Cf. A077533.
Sequence in context: A099048 A176542 A048734 * A164998 A165000 A118617
Adjacent sequences: A077531 A077532 A077533 * A077535 A077536 A077537
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KEYWORD
| base,nonn
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AUTHOR
| Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Nov 08 2002
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EXTENSIONS
| Corrected and extended by Sascha Kurz (sascha.kurz(AT)uni-bayreuth.de), Jan 03 2003
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