A105290 Numbers k such that prime(k+1) == 4 (mod k).

1, 3, 11, 13, 69, 71, 637225, 637253, 637313, 637327, 4124459, 4124685, 27067033, 179993017, 179993023, 1208198853, 8179002097, 8179002109, 55762149091

Offset

1,2

Comments

Integers k such that A004649(k+1) = 4. - Michel Marcus, Dec 30 2022

Links

Table of n, a(n) for n=1..19.

Prog

(PARI) n=0; p=2; while(n++, (-4+p=nextprime(p+1))%n | print1(n", ")) \\ M. F. Hasler, Feb 05 2009

Crossrefs

Cf. A023144, A092044.

Cf. A004649, A105286, A105287, A105288, A105329, A105451.

Sequence in context: A281728 A083992 A370488 * A201426 A158790 A176049

Adjacent sequences: A105287 A105288 A105289 * A105291 A105292 A105293

Keyword

nonn,more

Author

Zak Seidov, Apr 25 2005

Extensions

Missing first two terms inserted by M. F. Hasler, Feb 04 2009

a(11)-a(13) from M. F. Hasler, Feb 05 2009

a(14)-a(15) from Sean A. Irvine, Nov 25 2010

a(16) from D. S. McNeil, Nov 25 2010

a(17)-a(19) from Charles R Greathouse IV, May 05 2011

Status

approved