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A032647 Numbers k such that k concatenated with k+7 is a lucky number. 1
6, 12, 28, 30, 46, 52, 64, 70, 72, 78, 82, 88, 126, 148, 160, 166, 184, 198, 210, 226, 228, 268, 286, 298, 300, 306, 334, 346, 364, 376, 394, 396, 412, 430, 444, 478, 486, 502, 516, 520, 522, 538, 540, 544, 556, 558, 568, 570, 586, 604, 630, 634, 640, 646, 660 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
CROSSREFS
Sequence in context: A036833 A249670 A009242 * A327165 A338520 A339472
KEYWORD
nonn,base
AUTHOR
Patrick De Geest, May 15 1998
EXTENSIONS
More terms from Sascha Kurz, Mar 24 2002
Incorrect 622 removed and more terms from Sean A. Irvine, Jun 24 2020
STATUS
approved

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Last modified September 11 21:59 EDT 2024. Contains 375839 sequences. (Running on oeis4.)