A168340 Near-repunit emirps with a single 0 in their decimal expansion.

101111111111, 111011111111, 111111110111, 111111111101, 111110111111111111, 111111111111011111, 11011111111111111111, 11111111111111111011, 111111111111111111111101111111111111111111111111111111, 111111111111111111111111111111101111111111111111111111

Offset

1,1

Comments

Emirps A006567 which are also "near" repunits (near indicating that one non-leading 1-digit is replaced by a 0).

Links

Table of n, a(n) for n=1..10.

Formula

A065074 INTERSECT A006567. [R. J. Mathar, Nov 26 2009]

Crossrefs

Cf. A065074.

Sequence in context: A214702 A164935 A349321 * A104799 A344751 A221286

Adjacent sequences: A168337 A168338 A168339 * A168341 A168342 A168343

Keyword

nonn,base

Author

Lekraj Beedassy, Nov 23 2009

Extensions

6 more terms from R. J. Mathar, Nov 26 2009

Name changed by Arkadiusz Wesolowski, Sep 23 2011

Status

approved