id:A062219 - OEIS Search Results

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Smoothly undulating palindromic primes of the form (37*10^a(n)-73)/99.

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3, 21, 27, 81, 315, 849, 1893, 2883, 9591, 14691 (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 -> (37*10^21-73)/99 = 373737373737373737373.`
	CROSSREFS	`Cf. A062209-A062232, A059758, A032758.` `Sequence in context: A007648 A050586 A074217 this_sequence A091103 A045802 A006133` `Adjacent sequences: A062216 A062217 A062218 this_sequence A062220 A062221 A062222`
	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 July 25 07:41 EDT 2008. Contains 142293 sequences.