A062210 Numbers k such that the smoothly undulating palindromic number (14*10^k - 41)/99 is a prime.

11, 277, 479, 583, 1631, 6343, 14689

Offset: 1

Author

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

Keywords

• nonn
• base
• more

Comments

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

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

Examples

			11 is in the sequence because (14*10^11 - 41)/99 = 14141414141 is prime.
		

Links

• P. De Geest, SUPP Reference Table - 141
• Index entries for sequences related to smoothly undulating palindromic primes

Crossrefs

Cf. A062209-A062232, A059758, A032758.

Extensions

Edited by Ray Chandler, Aug 17 2011

Name and Example edited by Jon E. Schoenfield, Jun 25 2017