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A119073 Triangular numbers composed of digits {0,4,6}. 2
6, 66, 406, 666, 66066, 446040, 600060, 46046406, 440466040, 4040600460, 6604444400406, 4440066066400004040, 644006046066000066046, 44464646466606404046664666, 464440406444064040044646006604604066, 660466006640066446666000606004066646 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

COMMENTS

No other terms below 10^37.

LINKS

G. Resta, Tridigital Triangular Numbers

CROSSREFS

Cf. A000217, A058438, A119074. See A119033 for a table of cross-references.

Sequence in context: A175455 A185253 A192089 * A028559 A163699 A062184

Adjacent sequences:  A119070 A119071 A119072 * A119074 A119075 A119076

KEYWORD

nonn,base

AUTHOR

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

EXTENSIONS

Two more terms from Max Alekseyev (maxale(AT)gmail.com), May 10 2009

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Last modified February 17 06:27 EST 2012. Contains 205998 sequences.