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A119180 Triangular numbers composed of digits {2,8,9}. 2
28, 828828, 9298828, 99228828, 2882992822228828, 88992922889298828, 299282229288828999298828 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Next entry must be greater than 10^32.

LINKS

Table of n, a(n) for n=1..7.

G. Resta, Tridigital Triangular Numbers

CROSSREFS

Cf. A000217, A053935, A119181. See A119033 for a table of cross-references.

Sequence in context: A259365 A047680 A090768 * A088844 A234620 A137942

Adjacent sequences:  A119177 A119178 A119179 * A119181 A119182 A119183

KEYWORD

nonn,base,more

AUTHOR

Giovanni Resta, May 10 2006

STATUS

approved

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Last modified August 24 18:52 EDT 2019. Contains 326295 sequences. (Running on oeis4.)