A166576 Intersection of A104272 and A166252.

71, 101, 151, 181, 229, 233, 239, 241, 269, 311, 349, 373, 409, 419, 433, 439, 491, 571, 593, 599, 601, 607, 643, 647, 653, 659, 727, 823, 827, 857, 941, 947, 1021, 1031, 1051, 1061, 1063, 1091, 1103, 1301, 1373, 1427, 1429, 1447, 1451, 1489, 1553, 1559, 1567

Offset: 1

Author

Vladimir Shevelev, Oct 17 2009

Keywords

• nonn

Comments

Each Ramanujan prime A104272 larger than 2 is either a central prime (A166272) or a right prime (A166307).

Extensions

Extended beyond 571 by R. J. Mathar, Oct 21 2009