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A119215 Numbers k such that the k-th triangular number contains only digits {4,6,9}. 2
3, 11, 31, 36, 43, 96953253343 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Next term exceeds 1.4*10^16.
LINKS
CROSSREFS
Cf. A000217, A119214. See A119034 for a table of cross-references.
Sequence in context: A003554 A003523 A018781 * A266970 A057172 A277167
KEYWORD
nonn,base,more
AUTHOR
Giovanni Resta, May 10 2006
STATUS
approved

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Last modified March 29 00:26 EDT 2024. Contains 371264 sequences. (Running on oeis4.)