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A305148 Number of integer partitions of n whose distinct parts are pairwise indivisible. 31
1, 1, 2, 2, 3, 3, 4, 5, 6, 7, 9, 12, 12, 17, 20, 22, 28, 35, 39, 48, 55, 65, 79, 90, 105, 121, 143, 166, 190, 219, 254, 290, 332, 382, 436, 493, 567, 637, 729, 824, 931, 1052, 1186, 1334, 1504, 1691, 1894, 2123, 2380, 2664, 2968, 3319, 3704, 4119, 4586, 5110 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,3
LINKS
Fausto A. C. Cariboni, Table of n, a(n) for n = 0..360 (terms 0..300 from Alois P. Heinz)
EXAMPLE
The a(9) = 7 integer partitions are (9), (72), (54), (522), (333), (3222), (111111111).
MATHEMATICA
Table[Length[Select[IntegerPartitions[n], Select[Tuples[Union[#], 2], UnsameQ@@#&&Divisible@@#&]=={}&]], {n, 20}]
CROSSREFS
Sequence in context: A052839 A125894 A091493 * A058724 A029021 A261770
KEYWORD
nonn
AUTHOR
Gus Wiseman, May 26 2018
EXTENSIONS
More terms from Alois P. Heinz, May 26 2018
STATUS
approved

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Last modified March 29 04:59 EDT 2024. Contains 371264 sequences. (Running on oeis4.)