A090286 Median term of prime 5-tuples (p, p+2, p+6, p+8, p+12).

11, 17, 107, 1487, 16067, 19427, 21017, 22277, 43787, 55337, 144167, 165707, 166847, 195737, 201827, 225347, 247607, 268817, 326147, 347987, 361217, 397757, 465167, 518807, 536447, 633467, 633797, 661097, 768197, 795797, 829727, 857957

Offset

1,1

Links

Table of n, a(n) for n=1..32.

Formula

a(n) = A022006(n) + 6. - Michel Marcus, Apr 05 2020

Prog

(PARI) quintpr(n) = { s=0; forprime(p=5, n, if(isprime(p+2) && isprime(p+6) && isprime(p+8) && isprime(p+12), print1(p+6, ", "); ) ); }

Crossrefs

Cf. A022006 (initial member).

Sequence in context: A102870 A136721 A107172 * A226677 A056577 A166655

Adjacent sequences: A090283 A090284 A090285 * A090287 A090288 A090289

Keyword

easy,nonn

Author

Cino Hilliard, Jan 24 2004

Extensions

Name clarified by Michel Marcus, Apr 05 2020

Status

approved