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A319054 Maximum product of an aperiodic integer partition of n. 1
1, 2, 3, 4, 6, 8, 12, 18, 24, 36, 54, 72, 108, 162, 216, 324, 486, 648, 972, 1458, 1944, 2916, 4374, 5832, 8748, 13122, 17496, 26244, 39366, 52488, 78732, 118098, 157464, 236196, 354294, 472392, 708588, 1062882, 1417176, 2125764, 3188646, 4251528, 6377292 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
An integer partition is aperiodic if its multiplicities are relatively prime.
LINKS
EXAMPLE
Among the aperiodic partitions of 9, those with maximum product are (432) and (3222), so a(9) = 24. If periodic partitions were allowed, we would have (333) with product 27.
MATHEMATICA
Table[Max[Times@@@Select[IntegerPartitions[n], GCD@@Length/@Split[#]==1&]], {n, 30}]
CROSSREFS
Sequence in context: A001461 A048597 A332839 * A074964 A017822 A292772
KEYWORD
nonn
AUTHOR
Gus Wiseman, Sep 09 2018
STATUS
approved

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Last modified August 18 09:15 EDT 2024. Contains 375264 sequences. (Running on oeis4.)