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A051586 There are exactly n integer-sided triangles of area a(n). 3
6, 12, 126, 60, 240, 210, 1080, 336, 1260, 924, 2016, 2640, 5280, 11424, 420, 2520, 840, 5544, 3696, 14280, 3360, 25200, 1680, 6720, 10920, 26880, 15960, 137280, 23100, 43680, 64680, 21840, 32760, 24024, 13860, 7560, 68040, 49140, 262080, 60480, 73920, 133056, 207900 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

If integer-sided triangle has integer area, area is divisible by 6.

LINKS

Giovanni Resta, Table of n, a(n) for n = 1..75

CROSSREFS

Cf. A051584, A051585.

Sequence in context: A095388 A038515 A335735 * A228858 A102077 A102062

Adjacent sequences:  A051583 A051584 A051585 * A051587 A051588 A051589

KEYWORD

nonn

AUTHOR

David W. Wilson

EXTENSIONS

More terms from Giovanni Resta, Nov 04 2019

STATUS

approved

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Last modified June 26 18:18 EDT 2022. Contains 354885 sequences. (Running on oeis4.)