id:A084445 - OEIS Search Results

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Primes that cannot be written as 1+p+p^k, p prime and k>0.

+0
2

2, 3, 17, 29, 37, 41, 43, 53, 61, 71, 73, 79, 89, 97, 101, 103, 109, 113, 127, 137, 139, 149, 151, 157, 163, 173, 181, 191, 193, 197, 199, 211, 223, 229, 233, 239, 241, 251, 257, 269, 271, 277, 281, 283, 293, 311, 313, 317, 331, 337, 349, 353, 367, 373, 379 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`A084440(a(n))=0.`
	CROSSREFS	`Cf. A084441.` `Sequence in context: A023214 A095688 A029876 this_sequence A029733 A153686 A042137` `Adjacent sequences: A084442 A084443 A084444 this_sequence A084446 A084447 A084448`
	KEYWORD	`nonn`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), May 26 2003`

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Last modified March 20 09:10 EDT 2010. Contains 173642 sequences.

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