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A119232 Triangular numbers composed of digits {6,7,9}. 2
6, 66, 666, 677766969666676, 66799696699976679697696799766996696 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Next entry must be greater than 10^35.

LINKS

Table of n, a(n) for n=1..5.

G. Resta, Tridigital Triangular Numbers

CROSSREFS

Cf. A000217, A053973, A119233. See A119033 for a table of cross-references.

Sequence in context: A119210 A227220 A119234 * A186675 A186673 A213453

Adjacent sequences:  A119229 A119230 A119231 * A119233 A119234 A119235

KEYWORD

nonn,base,more

AUTHOR

Giovanni Resta, May 10 2006

EXTENSIONS

One more term from Max Alekseyev, Mar 10 2009

STATUS

approved

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Last modified August 2 14:37 EDT 2021. Contains 346428 sequences. (Running on oeis4.)