A133449 Least K such that 10^(10*n-1) + K + 6*s are consecutive primes for s=0, s=1, s=2, s=3.

9561, 924591, 10306101, 40379541, 45964621, 13860931, 97601931, 206197461, 39350401, 70495851, 736139881, 120414601, 614399751, 422650131, 862677661, 5344474491, 1622536021, 502698841, 3425985241, 806838691, 4484608141

Offset

1,1

Links

Table of n, a(n) for n=1..21.

Example

10^9+9561, 10^9+9561+6, 10^9+9561+12, 10^9+9561+18 are consecutive primes so K(1)=9561 (no number < 9561 give 4 consecutive primes).

Crossrefs

Sequence in context: A254015 A254022 A254889 * A275687 A210409 A250761

Adjacent sequences: A133446 A133447 A133448 * A133450 A133451 A133452

Keyword

hard,nonn

Author

Pierre CAMI, Nov 27 2007

Extensions

a(6)-a(10) corrected and a(11)-a(21) added by Donovan Johnson, Nov 11 2008

Status

approved