A138539 Primes p_n for which A140141(n) < 2p_n, where p_n = n-th prime (A000040).

2, 3, 5, 7, 13, 17, 19, 37, 41, 43, 61, 73, 89, 97, 101, 109, 113, 157, 163, 181, 193, 233, 241, 257, 277, 281, 313, 337, 349, 353, 397, 401, 409, 421, 433, 449, 457, 461, 487, 521, 541, 577, 593, 601, 613, 617, 641, 661, 673, 701, 733, 757, 761, 769, 821, 829

Offset: 1

Author

Vladimir Shevelev, May 10 2008

Keywords

• nonn

Comments

Apparently this is the union of {2} and A058341. - R. J. Mathar, Jul 03 2009

This sequence is the complement of A058340. - Torlach Rush, Jun 29 2018

Crossrefs

Cf. A140141, A039649, A000010, A000040, A058340.

Extensions

Corrected and extended by Ray Chandler, May 20 2008