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A032653
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Lucky numbers that are decimal concatenations of n with n + 3.
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1
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25, 69, 1417, 2023, 2427, 3235, 4851, 5053, 6669, 6871, 7881, 8487, 108111, 120123, 128131, 134137, 146149, 156159, 162165, 200203, 210213, 218221, 224227, 228231, 254257, 266269, 270273, 284287, 290293, 306309, 312315, 314317, 318321, 324327
(list; graph; refs; listen; history; internal format)
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