A054820 Second term of weak prime quartet: p(m)-p(m-1) < p(m+1)-p(m) < p(m+2)-p(m+1).

19, 43, 83, 109, 229, 283, 313, 349, 353, 383, 401, 443, 463, 503, 571, 643, 677, 683, 829, 859, 883, 911, 1033, 1063, 1093, 1193, 1231, 1279, 1303, 1321, 1373, 1429, 1433, 1453, 1489, 1493, 1553, 1609, 1621, 1627, 1699, 1879, 1999, 2029, 2089, 2161

Offset: 1

Author

Henry Bottomley, Apr 10 2000

Keywords

• nonn

Comments

Lesser of a pair p(m), p(m+1) of consecutive weak primes A051635. See A229832 for more comments, references and links. - Jonathan Sondow, Oct 13 2013

a(1) = A229832(2). - Jonathan Sondow, Oct 13 2013

Crossrefs

Cf. A051635, A054800-A054840, A229832.