A306349 Number of terms in the greedy Egyptian fraction representation of n.

1, 4, 13, 35, 99

Offset: 1

Author

Pontus von Brömssen, Feb 09 2019

Keywords

• nonn
• more

Comments

a(n) >= A004080(n).

a(6) > 255 and the denominator of the 255th term in the representation of 6 has 1264021241 digits.

Examples

			a(3)=13 is the number of terms of A140335;
a(4)=35 is the number of terms of A281873.
		

Links

• Index entries for sequences related to Egyptian fractions

Crossrefs

Cf. A004080, A140335, A281873.

Programs

Python

from sympy import egyptian_fraction
def A306349(n): return len(egyptian_fraction((n,1)))