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A032679
Digit '7' concatenated with a(n) is a lucky number.
0
3, 5, 9, 17, 23, 27, 29, 35, 39, 41, 45, 69, 77, 81, 87, 101, 111, 129, 135, 153, 167, 171, 173, 183, 191, 195, 197, 207, 215, 231, 233, 237, 245, 249, 279, 293, 299, 311, 321, 333, 339, 341, 345, 357, 359, 371, 377, 395, 401, 405, 419, 435
OFFSET
1,1
CROSSREFS
Cf. A000959.
Sequence in context: A276970 A294641 A143105 * A154607 A361875 A287207
KEYWORD
nonn,base,less
AUTHOR
Patrick De Geest, May 15 1998
STATUS
approved