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A032674 Digit '2' concatenated with a(n) is a lucky number. 0
1, 5, 11, 19, 23, 31, 35, 37, 41, 59, 61, 67, 73, 83, 85, 89, 97, 113, 115, 121, 125, 127, 133, 163, 173, 187, 209, 211, 215, 217, 221, 239, 251, 253, 257, 271, 277, 281, 283, 301, 311, 317, 323, 335, 343, 355, 365, 379, 395, 403, 407, 409, 415 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

CROSSREFS

Cf. A000959.

Sequence in context: A056996 A102184 A084720 * A100141 A117089 A114269

Adjacent sequences:  A032671 A032672 A032673 * A032675 A032676 A032677

KEYWORD

nonn,base,less

AUTHOR

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

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Last modified February 14 16:05 EST 2012. Contains 205635 sequences.