A260823 - OEIS

A260823

Positive integers that are not divisible by any cube greater than 1 and cannot be written as the sum of two cubes of rational numbers.

3, 4, 5, 10, 11, 14, 18, 21, 23, 25, 29, 36, 38, 39, 41, 44, 45, 46, 47, 52, 55, 57, 59, 60, 66, 73, 74, 76, 77, 82, 83, 93, 95, 99, 100, 101, 102, 109, 111, 113, 116, 118, 119, 121, 122, 129, 131, 137, 138, 145, 146, 147, 148, 149, 150, 154, 155, 158, 165

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

COMMENTS

This sequence is infinite.

This sequence is the complement of (A020897 minus A046099), except 1.

REFERENCES

W. Sierpiński, 250 Problems in Elementary Number Theory, 1970, page 112.

LINKS

Table of n, a(n) for n=1..59.

Steven R. Finch, On a Generalized Fermat-Wiles Equation [broken link]

Steven R. Finch, On a Generalized Fermat-Wiles Equation [From the Wayback Machine]