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A119165
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Numbers k such that the k-th triangular number contains only digits {2,5,6}.
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2
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3, 10, 11, 36, 71, 105, 114, 230, 714, 2128, 3363, 10550, 32411, 73010, 2309210, 3648430, 10641950, 23045894, 33336636, 72479825, 111581563, 229156071, 36118284988, 730103037471, 22915594088989, 106039853513914
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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
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AUTHOR
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STATUS
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approved
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