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A342267 Number of partitions of 1/n into n reciprocals of positive integers. 3
1, 2, 21, 694, 118995, 132891609 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
LINKS
Table of n, a(n) for n=1..6.
EXAMPLE
a(2) = 2 because we have 1/2 = 1/4 + 1/4 = 1/3 + 1/6.
CROSSREFS
Cf. A002966, A003167, A004194, A018892, A020327, A020328, A343074, A343214, A369470.
Sequence in context: A034984 A024233 A015209 * A113083 A174964 A210830
Adjacent sequences: A342264 A342265 A342266 * A342268 A342269 A342270
KEYWORD
nonn,hard,more
AUTHOR
Ilya Gutkovskiy, Mar 07 2021
EXTENSIONS
a(6) from Jud McCranie, Sep 02 2021
STATUS
approved

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Last modified May 16 20:35 EDT 2024. Contains 372555 sequences. (Running on oeis4.)