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A112536 Natural numbers that can be factored into the product of three positive integers whose minimal sum is achieved in more than one way. 1
360, 1008, 3696, 3960, 5040, 5850, 6240, 6552, 7425, 10800, 12285, 13464, 13600, 14280, 14688, 15120, 15300, 19008, 19152, 19800, 19950, 20064, 20520, 20790, 21280, 21600, 22491, 26775, 30240, 30800, 31050, 31200, 32760, 33696, 34398 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..35.

EXAMPLE

6552 = 14*18*26 = 13*21*24. Each triples' factors sum to 58 (14+18+26 = 58 and 13+21+24 = 58). 58 works out to be the minimal sum for all 3-factorizations of 6552 and there are two of them.

CROSSREFS

Sequence in context: A056492 A158308 A205738 * A140801 A236059 A206670

Adjacent sequences:  A112533 A112534 A112535 * A112537 A112538 A112539

KEYWORD

nonn

AUTHOR

Lucas Finn (lucas.finn(AT)tufts.edu) and Bruce Boghosian, Dec 13 2005

STATUS

approved

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Last modified January 15 10:37 EST 2021. Contains 340187 sequences. (Running on oeis4.)