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A039933
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Smallest k for which k, 2k, ... nk all contain the digit 2.
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0
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2, 12, 124, 624, 624, 642, 4062, 4062, 4128, 4128, 23041, 23041, 23041, 23041, 144032, 144032, 144032, 144032, 144032, 144032, 144032, 1201804, 1201804, 1201804, 1276048, 1276048, 1276048, 1276048, 1276048, 1276048, 8020604
(list; graph; refs; listen; history; internal format)
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