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A119191 Numbers n such that the n-th triangular number contains only digits {3,5,8}. 2
2, 10, 129, 841229, 26014826114, 3417172921745, 10520014765729 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

COMMENTS

Next entry must be greater than 1.4*10^16.

LINKS

G. Resta, Tridigital Triangular Numbers

CROSSREFS

Cf. A000217, A119190. See A119034 for a table of cross-references.

Sequence in context: A092645 A202950 A144835 * A125993 A185952 A011805

Adjacent sequences:  A119188 A119189 A119190 * A119192 A119193 A119194

KEYWORD

nonn,base,more

AUTHOR

Giovanni Resta (g.resta(AT)iit.cnr.it), May 10 2006

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Last modified February 16 10:39 EST 2012. Contains 205904 sequences.