A173251 Positive odd nonprimes of the form prime-6.

1, 25, 35, 55, 65, 77, 91, 95, 121, 125, 133, 143, 145, 161, 175, 185, 187, 205, 217, 221, 235, 245, 265, 275, 287, 301, 305, 325, 341, 343, 361, 377, 391, 395, 403, 413, 415, 425, 427, 437, 451, 455, 473, 481, 485, 493, 497, 515, 517, 535, 551, 565, 581, 595

Offset

1,2

Links

Table of n, a(n) for n=1..54.

Example

a(1)=1 because 7(prime)-6=1(positive odd nonprime); a(2)=25 because 31(prime)-6=25(positive odd nonprime).

Crossrefs

Cf. A000040, A141468, A164384.

Sequence in context: A340096 A348423 A276290 * A063149 A046423 A347612

Adjacent sequences: A173248 A173249 A173250 * A173252 A173253 A173254

Keyword

nonn

Author

Juri-Stepan Gerasimov, Feb 14 2010

Extensions

131 and 561 removed by R. J. Mathar, Mar 09 2010

Status

approved