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A062215 Smoothly undulating palindromic primes of the form (19*10^a(n)-91)/99. 0
3, 33, 133, 1969, 2335 (list; graph; refs; listen; history; text; internal format)
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..5.

P. De Geest, SUPP Reference Table - 191

Index entries for sequences related to smoothly undulating palindromic primes

EXAMPLE

a(n)=33 -> (19*10^33-91)/99 = 191919191919191919191919191919191.

CROSSREFS

Cf. A062209-A062232, A059758, A032758.

Sequence in context: A239345 A089015 A292453 * A279885 A132122 A203560

Adjacent sequences:  A062212 A062213 A062214 * A062216 A062217 A062218

KEYWORD

nonn,base

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

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Last modified September 23 21:16 EDT 2017. Contains 292391 sequences.