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URL: https://oeis.org/A119225

⇱ A119225 - OEIS

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A119225
Numbers k such that the k-th triangular number contains only digits {5,7,8}.
2
10, 12, 107, 125, 132, 389, 1332, 3892, 10572, 10749, 13250, 13332, 105714, 133332, 1255050, 1333332, 4208987, 13333332, 107497707, 133333332, 1054396107, 1333333332, 10843226972, 13333333332, 133333333332
OFFSET
1,1
CROSSREFS
Cf. A000217, A119224. See A119034 for a table of cross-references.
Sequence in context: A258484 A116118 A038314 * A155005 A219213 A078217
KEYWORD
nonn,base
AUTHOR
Giovanni Resta, May 10 2006
STATUS
approved