A092293 a(n) = 3*n + A090239(n).

2, 3, 7, 9, 13, 17, 19, 23, 24, 27, 31, 35, 37, 41, 42, 47, 48, 52, 55, 59, 60, 65, 66, 70, 72, 76, 80, 81, 85, 89, 91, 95, 96, 101, 102, 106, 109, 113, 114, 119, 120, 124, 126, 130, 134, 137, 138, 142, 144, 148, 152

Offset: 0

Author

Philippe Deléham, Feb 05 2004

Keywords

• easy
• nonn

Comments

This sequence has asymptotic density 1/3.