A119888 Numbers n such that (n,R_n)>1, where R_n=(10^n -1)/9=A002275(n).

3, 6, 9, 12, 15, 18, 21, 22, 24, 27, 30, 33, 36, 39, 42, 44, 45, 48, 51, 54, 57, 60, 63, 66, 69, 72, 75, 78, 81, 84, 87, 88, 90, 93, 96, 99, 102, 105, 108, 110, 111, 114, 117, 120, 123, 126, 129, 132, 134, 135, 138, 141, 144, 150, 153, 154

Offset: 1

Author

Lekraj Beedassy, Aug 04 2006

Keywords

• nonn

Comments

Includes all multiples of 3 (A008585) and multiples of 11 with coefficients A063450. A special subsequence is A014950.

Crossrefs

Cf. A119905.