A062228 Numbers k such that the smoothly undulating palindromic number (92*10^k - 29)/99 is a prime.

3, 9, 195, 515, 857, 11393

Offset

1,1

Comments

Prime versus probable prime status and proofs are given in the author's table.

No further terms < 100000. - Ray Chandler, Aug 17 2011

Links

Table of n, a(n) for n=1..6.

Patrick De Geest, SUPP Reference Table - 929

Index entries for sequences related to smoothly undulating palindromic primes

Example

k=9 -> (92*10^9 - 29)/99 = 929292929.

Crossrefs

Cf. A062209-A062232, A059758, A032758.

Sequence in context: A358704 A061963 A174603 * A196864 A279834 A091409

Adjacent sequences: A062225 A062226 A062227 * A062229 A062230 A062231

Keyword

nonn,base,more

Author

Patrick De Geest and Hans Rosenthal (Hans.Rosenthal(AT)t-online.de), Jun 15 2001

Extensions

Edited by Ray Chandler, Aug 17 2011

Status

approved