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A119212 Triangular numbers composed of digits {4,6,8}. 2
6, 66, 666, 8646, 84666, 886446, 88864446, 646686666, 6488484486, 8888644446, 888886444446, 88888864444446, 8888888644444446, 888888886444444446, 88888888864444444446, 484888446864684484446, 8888888888644444444446 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..17.

G. Resta, Tridigital Triangular Numbers

CROSSREFS

Cf. A000217, A053959, A119213. See A119033 for a table of cross-references.

Sequence in context: A073548 A073549 A119087 * A068643 A119053 A119089

Adjacent sequences:  A119209 A119210 A119211 * A119213 A119214 A119215

KEYWORD

nonn,base

AUTHOR

Giovanni Resta, May 10 2006

STATUS

approved

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Last modified September 27 19:34 EDT 2021. Contains 347694 sequences. (Running on oeis4.)