A088095 a(1) = 1, a(n) = smallest number == 1 mod (a(n-1)) and > 1 such that every concatenation (n>1) is prime.

1, 3, 7, 29, 117, 1639, 45893, 734289, 54337387, 434699097

Offset

1,2

Links

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

Crossrefs

Cf. A088096.

Sequence in context: A110613 A337489 A363208 * A333392 A358389 A358279

Adjacent sequences: A088092 A088093 A088094 * A088096 A088097 A088098

Keyword

base,fini,full,nonn

Author

Amarnath Murthy, Sep 24 2003

Extensions

More terms from David Wasserman, Jul 19 2005

Status

approved