id:A062220 - OEIS Search Results

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Smoothly undulating palindromic primes of the form (38*10^a(n)-83)/99.

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3, 9, 15, 17, 21, 57, 4233, 4335, 13221, 26447, 29897 (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)=21 -> (38*10^21-83)/99 = 383838383838383838383.`
	CROSSREFS	`Cf. A062209-A062232, A059758, A032758.` `Sequence in context: A030342 A061966 A085328 this_sequence A043381 A100331 A071123` `Adjacent sequences: A062217 A062218 A062219 this_sequence A062221 A062222 A062223`
	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 August 19 23:53 EDT 2008. Contains 142930 sequences.