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A119084
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Numbers n such that the n-th triangular number contains only digits {0,5,8}.
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2
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10, 100, 1000, 10000, 100000, 1000000, 1056485, 10000000, 40212075, 100000000, 1000000000, 10000000000, 100000000000, 100549051600, 1000000000000, 10000000000000, 100000000000000, 421438146839024, 1000000000000000
(list; graph; refs; listen; history; internal format)
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