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A062218 Smoothly undulating palindromic primes of the form (35*10^a(n)-53)/99. +0
1
3, 5, 23, 2177, 3147, 4157, 22713, 28385 (list; graph; listen)
OFFSET

0,1

COMMENT

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

LINKS

P. De Geest, SUPP Reference Table

EXAMPLE

a(n)=23 -> (35*10^23-53)/99 = 35353535353535353535353.

CROSSREFS

Cf. A062209-A062232, A059758, A032758.

Sequence in context: A100703 A137086 A137087 this_sequence A050280 A005761 A009002

Adjacent sequences: A062215 A062216 A062217 this_sequence A062219 A062220 A062221

KEYWORD

nonn,base

AUTHOR

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

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Last modified September 6 00:03 EDT 2008. Contains 143485 sequences.


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