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A118718 Lucky numbers with only prime digits. 1
3, 7, 25, 33, 37, 73, 75, 223, 235, 237, 273, 327, 357, 535, 537, 553, 577, 723, 727, 735, 777, 2253, 2257, 2277, 2323, 2335, 2355, 2523, 2527, 2557, 2575, 2725, 2755, 2773, 3223, 3235, 3325, 3355, 3727, 3753, 5233, 5235, 5253, 5277, 5325 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Lucky numbers with digits 2,3,5 or 7.

LINKS

N. J. A. Sloane, Table of n, a(n) for n = 1..189

CROSSREFS

Cf. A000959.

Sequence in context: A042657 A031875 A157817 * A058781 A100462 A161637

Adjacent sequences:  A118715 A118716 A118717 * A118719 A118720 A118721

KEYWORD

base,nonn

AUTHOR

Luc Stevens (lms022(AT)yahoo.com), May 21 2006

EXTENSIONS

Corrected by R. J. Mathar, Aug 21 2006

STATUS

approved

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Last modified March 29 13:11 EDT 2017. Contains 284270 sequences.