A140738 a(n) = (A139640(n) - 7)/24.

6, 20, 30, 31, 43, 44, 58, 61, 73, 74, 95, 110, 111, 115, 139, 144, 163, 171, 184, 194, 204, 208, 215, 225, 241, 275, 279, 284, 298, 306, 318, 328, 341, 344, 346, 368, 380, 381, 393, 415, 421, 446

Offset: 1

Author

Artur Jasinski, May 26 2008

Keywords

• nonn

Crossrefs

Cf. A139640.