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

Author

Zak Seidov, Feb 16 2015

Keywords

• nonn

Comments

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

Examples

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

Links

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

Crossrefs

Cf. A000040, A039705.