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A117994
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Heptagonal numbers with only even digits.
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0
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286, 6426, 6682, 22420, 26884, 28462, 60606, 268468, 280060, 446688, 448804, 604422, 664866, 848848, 2226424, 2240602, 2828644, 2844622, 4268662, 6820282, 8424486, 22062646, 24066868, 26482680, 28404046, 28606648, 44662482, 46822468, 48042064, 60484024
(list; graph; refs; listen; history; internal format)
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