A048403 Primes with consecutive digits that differ exactly by 6.

2, 3, 5, 7, 17, 71, 1717171717171717171717171717171, 1717171717171717171717171717171717171

Offset: 1

Author

Patrick De Geest, Apr 15 1999

Keywords

• nonn
• base

Comments

From Andrew Howroyd, Aug 13 2024: (Start)

Terms with more than 1 digit have digits alternating between 1 and 7.

No more terms < 10^3000. (End)

Crossrefs

Primes in A048408.

Cf. A048398, A048399, A048400, A048401, A048402, A048404, A048405.

Programs

PARI

upto(limit)={my(L=List([t|t<-[2,3,5],t<=limit]),m=1); while(mAndrew Howroyd, Aug 13 2024

Extensions

Offset changed by Andrew Howroyd, Aug 13 2024