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: A318188 A301920 A229311 * A034234 A284645 A081721

Adjacent sequences: A208477 A208478 A208479 * A208481 A208482 A208483

nonn,more

Brendan McKay and Max Alekseyev, May 07 2012

approved