A212606 Number of distinct sums <= 1 of reciprocals of positive integers <= n.

1, 2, 3, 6, 10, 26, 34, 103, 175, 393, 599, 2015, 2551, 8681, 14254, 19620, 34700, 129557, 161272, 595304, 695175, 1094164, 1903859, 7654850, 9413484, 29625309

Offset: 0

Author

Max Alekseyev, May 22 2012

Keywords

• nonn
• more

Examples

			a(3) = 6 counts numbers { 0, 1/3, 1/2, 2/3, 5/6, 1 }, each of which is can be represented as the sum of reciprocals 1/1, 1/2, and 1/3.
		

Crossrefs

For distinct sums of distinct reciprocals, see A212607.

Cf. A020473, A092669, A092671, A208480

Extensions

a(24)-a(25) from Dexter Senft, Feb 07 2019