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A119159
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Numbers k such that the k-th triangular number contains only digits {2,4,5}.
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2
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9, 10, 225, 714, 6714, 22114, 2119209, 2211449, 102523609, 942573334, 95336514049, 3333030289167658390
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OFFSET
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1,1
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COMMENTS
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Next term exceeds 1.4*10^20.
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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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