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A032675 Digit '3' concatenated with a(n) is a lucky number. 0
1, 3, 7, 19, 21, 27, 31, 39, 49, 57, 61, 67, 85, 91, 93, 99, 109, 111, 121, 123, 133, 153, 163, 171, 175, 183, 187, 199, 213, 223, 229, 235, 243, 259, 261, 289, 297, 301, 307, 313, 325, 339, 351, 355, 363, 381, 403, 405, 409, 411, 427, 433, 439 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

CROSSREFS

Cf. A000959.

Sequence in context: A075609 A083439 A151858 * A089749 A032667 A109991

Adjacent sequences:  A032672 A032673 A032674 * A032676 A032677 A032678

KEYWORD

nonn,base,less

AUTHOR

Patrick De Geest (pdg(AT)worldofnumbers.com), May 15, 1998.

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Last modified February 15 05:26 EST 2012. Contains 205694 sequences.