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A119223 Numbers k such that the k-th triangular number contains only digits {5,6,9}. 2
3, 10, 11, 34, 36, 105, 109, 114, 3363, 13834, 438109, 1383471, 3622034, 10954411, 11537388, 33336636, 105517363, 141114114, 3333366765, 3333333366663363, 333645229535671903 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
CROSSREFS
Cf. A000217, A119222. See A119034 for a table of cross-references.
Sequence in context: A357555 A078306 A136815 * A119165 A119080 A119221
KEYWORD
nonn,base,more
AUTHOR
Giovanni Resta, May 10 2006
EXTENSIONS
a(21) from Tyler Busby, Mar 31 2023
STATUS
approved

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Last modified March 28 20:05 EDT 2024. Contains 371254 sequences. (Running on oeis4.)