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A062225 Smoothly undulating palindromic primes of the form (78*10^a(n)-87)/99. 0
3, 5, 21, 27, 95, 2075, 2165, 3047, 3503, 16791, 34883 (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..11.

P. De Geest, SUPP Reference Table - 787

Index entries for sequences related to smoothly undulating palindromic primes

EXAMPLE

a(n)=21 -> (78*10^21-87)/99 = 787878787878787878787.

CROSSREFS

Cf. A062209-A062232, A059758, A032758.

Sequence in context: A065926 A128561 A032414 * A288152 A082699 A096729

Adjacent sequences:  A062222 A062223 A062224 * A062226 A062227 A062228

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 21:28 EDT 2017. Contains 292391 sequences.