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A119090 Numbers k such that the k-th triangular number contains only digits {0,6,8}. 2
3, 11, 36, 363, 1095, 1271283, 3687839, 34642771, 3705851211, 133181080239, 365754039996 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Next term exceeds 1.4*10^16.

LINKS

Table of n, a(n) for n=1..11.

G. Resta, Tridigital Triangular Numbers

CROSSREFS

Cf. A000217, A119089. See A119034 for a table of cross-references.

Sequence in context: A068644 A286318 A119054 * A048361 A119161 A119211

Adjacent sequences:  A119087 A119088 A119089 * A119091 A119092 A119093

KEYWORD

nonn,base,more

AUTHOR

Giovanni Resta, May 10 2006

STATUS

approved

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Last modified September 27 08:39 EDT 2021. Contains 347689 sequences. (Running on oeis4.)