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A140089 Products of two triangular numbers each > 1. +0
1
9, 18, 30, 36, 45, 60, 63, 84, 90, 100, 108, 126, 135, 150, 165, 168, 198, 210, 216, 225, 234, 270, 273, 280, 315, 330, 360, 396, 408, 420, 441, 450, 459, 468, 513, 540, 546, 550, 570, 588, 630, 660, 675, 693, 720, 756, 759, 780, 784, 816, 825, 828, 900, 910 (list; graph; listen)
OFFSET

1,1

CROSSREFS

Cf. A000217.

Sequence in context: A107223 A101424 A044433 this_sequence A139591 A109668 A051063

Adjacent sequences: A140086 A140087 A140088 this_sequence A140090 A140091 A140092

KEYWORD

nonn

AUTHOR

njas, Jun 27 2008

EXTENSIONS

More terms from Rick L. Shepherd (rshepherd2(AT)hotmail.com) and John W. Layman (layman(AT)math.vt.edu), Jul 03 2008

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Last modified December 3 16:57 EST 2008. Contains 151279 sequences.


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