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1,2
Number of unordered partitions of n into reciprocals of positive integers <= n.
Table of n, a(n) for n=1..16.
Karan, A simple looking problem in partitions that became increasingly complex, discussion at MathOverflow.
Cf. A020473
Sequence in context: A054422 A074503 A229311 * A034234 A081721 A013009
Adjacent sequences: A208477 A208478 A208479 * A208481 A208482 A208483
nonn,more
Brendan McKay and Max Alekseyev, May 07 2012
approved