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A119162 Triangular numbers composed of digits {2,4,8}. 2
28, 48828, 828828, 842288428828, 24884484228828, 28284882828828, 2842448222228428828 (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, A027678, A119163. See A119033 for a table of cross-references.

Sequence in context: A159439 A270070 A159443 * A180067 A259365 A047680

Adjacent sequences:  A119159 A119160 A119161 * A119163 A119164 A119165

KEYWORD

nonn,base,more

AUTHOR

Giovanni Resta, May 10 2006

STATUS

approved

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Last modified October 21 11:35 EDT 2019. Contains 328296 sequences. (Running on oeis4.)