A173793 Primitive numbers n such that 1/n is in the Cantor set.

1, 4, 10, 13, 28, 40, 82, 91, 121, 244, 328, 364, 730, 757, 820, 949, 1036, 1093, 2188, 2362, 2812, 2920, 3280, 6562, 6643, 7381, 9490, 9841, 19684, 20440, 26248, 26572, 28009, 29524, 59050, 59293, 63973, 65620, 66124, 66430, 84253, 88573, 177148

Offset: 1

Author

T. D. Noe, Feb 24 2010

Keywords

• nonn

Comments

Sequence A121153 gives the n such that 1/n is in the Cantor set. Most of those n are 3 times a smaller number in that sequence. This sequence has only those terms in A121153 that are not 3 times a smaller number in the sequence. Note that A076270 is a subsequence.

Links

• T. D. Noe, Table of n, a(n) for n=1..626 (terms < 3^40)