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A032657
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Lucky numbers that are decimal concatenations of n with n + 7.
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1
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613, 1219, 2835, 3037, 4653, 5259, 6471, 7077, 7279, 7885, 8289, 8895, 126133, 148155, 160167, 166173, 184191, 198205, 210217, 226233, 228235, 268275, 286293, 298305, 300307, 306313, 334341, 346353, 364371, 376383, 394401, 396403, 412419
(list; graph; refs; listen; history; internal format)
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