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A110904 Integers that can be expressed as a product of triangular numbers in 3 different ways. 0
630, 3780, 14850, 16380, 21420, 114660, 131670, 159390, 178200, 234360, 401940, 478800, 523260, 556920, 582120, 712530, 749700, 835380 (list; graph; refs; listen; history; internal format)
OFFSET

0,1

EXAMPLE

835380=91*9180=153*5460=630*1326.

CROSSREFS

Sequence in context: A098261 A177421 A173423 * A171258 A185849 A058832

Adjacent sequences:  A110901 A110902 A110903 * A110905 A110906 A110907

KEYWORD

nonn

AUTHOR

Luke T Pebody (ltp1000(AT)cam.ac.uk), Sep 21 2005

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Last modified February 17 19:13 EST 2012. Contains 206085 sequences.