A088297 Primes in which no digit is coprime to its neighbors.

2, 3, 5, 7, 263, 269, 463, 863, 2269, 2633, 2663, 2693, 2699, 4463, 4639, 4663, 6263, 6269, 6469, 6863, 6869, 8263, 8269, 8663, 8669, 8693, 8699, 8863, 22469, 22639, 22669, 22699, 24469, 26263, 26339, 26393, 26399, 26633, 26669, 26693, 26699

Offset

1,1

Links

Table of n, a(n) for n=1..41.

Example

2669 is a member as (2,6), (6,6), (6,9) are all > 1.

Crossrefs

Sequence in context: A067184 A067170 A090719 * A180015 A052024 A052023

Adjacent sequences: A088294 A088295 A088296 * A088298 A088299 A088300

Keyword

base,nonn

Author

Amarnath Murthy, Sep 30 2003

Extensions

Corrected and extended by Reinhard Zumkeller, Oct 18 2004

Status

approved