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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; internal format)
OFFSET

1,1

COMMENTS

Next entry must be greater than 10^32.

LINKS

G. Resta, Tridigital Triangular Numbers

CROSSREFS

Cf. A000217, A027678, A119163. See A119033 for a table of cross-references.

Sequence in context: A147304 A159439 A159443 * A180067 A047680 A090768

Adjacent sequences:  A119159 A119160 A119161 * A119163 A119164 A119165

KEYWORD

nonn,base,more

AUTHOR

Giovanni Resta (g.resta(AT)iit.cnr.it), May 10 2006

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Last modified February 15 05:43 EST 2012. Contains 205694 sequences.