id:A083571 - OEIS Search Results

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Numbers n such that A008509(n) is prime.

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2, 3, 5, 10, 12, 72 (list; graph; listen)

	OFFSET	`1,1`
	LINKS	`P. De Geest, Subsets of palindromic triangulars`
	CROSSREFS	`Cf. A008509, A050722, A008510, A050721.` `Adjacent sequences: A083568 A083569 A083570 this_sequence A083572 A083573 A083574` `Sequence in context: A039022 A079251 A050051 this_sequence A123090 A129281 A022426`
	KEYWORD	`nonn,base,hard`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com), Jun 14, 2003`

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Last modified November 8 20:39 EST 2009. Contains 166234 sequences.