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A119076 Numbers n such that the n-th triangular number contains only digits {0,4,8}. 2
12655, 94319, 1268735, 2982752019194624, 9466159183199999 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

COMMENTS

Next entry must be greater than 4.4*10^18. -Max Alekseyev, May 17 2009

LINKS

G. Resta, Tridigital Triangular Numbers

CROSSREFS

Cf. A000217, A119075. See A119034 for a table of cross-references.

Sequence in context: A185841 A185529 A078957 * A159203 A083602 A105655

Adjacent sequences:  A119073 A119074 A119075 * A119077 A119078 A119079

KEYWORD

nonn,base,more

AUTHOR

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

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Last modified February 14 22:30 EST 2012. Contains 205678 sequences.