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A119221
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Numbers k such that the k-th triangular number contains only digits {5,6,8}.
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2
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3, 10, 11, 36, 105, 108, 114, 1316, 3363, 105516, 343091, 1316705, 3657011, 10638485, 13310789, 33336636, 37028788, 1145936870, 108320504576528, 3333333366663363, 105725008289010683
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OFFSET
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1,1
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LINKS
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CROSSREFS
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KEYWORD
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nonn,base,more
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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