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A119065
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Triangular numbers composed of digits {0,3,7}.
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2
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3, 300, 703, 3003, 300700, 7777333333770, 30770737700703, 7707033303703300, 77300377037737303073770, 3073770307037370707370300003, 33000770070773300000703773730, 770037773370037377077730333003
(list; graph; refs; listen; history; internal format)
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