A124114 Subsequence of primes in sequence b(n) = 2*prime(n) - prime(n+1) + 2 (A124115).

3, 3, 5, 5, 11, 11, 17, 17, 19, 29, 41, 41, 43, 59, 71, 79, 83, 101, 101, 107, 107, 101, 127, 137, 131, 149, 163, 179, 173, 191, 191, 197, 227, 227, 229, 239, 233, 269, 281, 281, 311, 311, 347, 347, 349, 353, 379, 383, 401, 419, 431, 439, 443, 461, 461, 457, 499

Offset

1,1

Links

Table of n, a(n) for n=1..57.

Prog

(PARI) { my(p=2, q=3); while(p<510, my(a=2*p-q+2); if(isprime(a), print1(a, ", ")); p=q; q=nextprime(q+1)) } \\ Klaus Brockhaus, Nov 28 2006

Crossrefs

Cf. A124115.

Sequence in context: A343045 A343041 A124115 * A077893 A077953 A077980

Adjacent sequences: A124111 A124112 A124113 * A124115 A124116 A124117

Keyword

nonn

Author

Giovanni Teofilatto, Nov 28 2006

Extensions

Corrected and extended by Klaus Brockhaus, Nov 28 2006

Status

approved