A334521 - OEIS

A334521

Numbers that are not congruent to +- mod 9 and are neither a cube nor twice a cube.

3, 6, 7, 9, 10, 11, 12, 15, 17, 18, 19, 20, 21, 24, 25, 26, 28, 29, 30, 33, 34, 35, 36, 37, 38, 39, 42, 43, 44, 45, 46, 47, 48, 51, 52, 53, 55, 56, 57, 60, 61, 62, 63, 65, 66, 69, 70, 71, 72, 73, 74, 75, 78, 79, 80, 81, 82, 83, 84, 87, 88, 89, 90, 91, 92, 93, 96, 97, 98, 99, 100, 101, 102, 105, 106, 107, 108, 109

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

OFFSET

1,1

LINKS

Table of n, a(n) for n=1..78.

Andrew Sutherland, Sums of three cubes, Slides of a talk given May 07 2020 on the Number Theory Web.

CROSSREFS

Cf. A000578, A060464, A156638.

Complement of A334522.

Sequence in context: A088045 A267983 A344153 * A108057 A190189 A129414

Adjacent sequences: A334518 A334519 A334520 * A334522 A334523 A334524

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, May 08 2020

STATUS

approved