A252728 Numbers k such that exactly 5 consecutive primes starting with prime(k) are congruent to the same value modulo 7.

70872, 191056, 204048, 215955, 216351, 251872, 266249, 346159, 431099, 433456, 443366, 461372, 517528, 654361, 664677, 793519, 841521, 865347, 904987, 918479, 1056902, 1060733, 1063487, 1134245, 1140824, 1158526

Offset

1,1

Comments

Or, numbers k such A039705(k) = ... = A039705(k+4), but not A039705(k+5).

Links

Zak Seidov, Table of n, a(n) for n = 1..300

Example

k=70872, {A000040(k), ..., A000040(k+4)} = {894287, 894301, 894329, 894343, 894371} == 2 (mod 7).

Crossrefs

Cf. A000040, A039705.

Sequence in context: A236016 A204482 A186821 * A226530 A215994 A101250

Adjacent sequences: A252725 A252726 A252727 * A252729 A252730 A252731

Keyword

nonn

Author

Zak Seidov, Feb 16 2015

Status

approved