id:A091923 - OEIS Search Results

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A091923

Primes such that their decimal representations interpreted in base 11 are not prime.

+0
3

11, 13, 17, 19, 23, 31, 37, 41, 47, 53, 59, 71, 73, 79, 83, 97, 101, 103, 107, 109, 113, 127, 131, 137, 149, 151, 157, 163, 167, 173, 179, 181, 191, 211, 223, 229, 233, 239, 241, 251, 257, 271, 277, 283, 293, 307, 311, 313, 317, 337, 347, 349, 359, 367, 383 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`A090862(A049084(a(n))) = 11.`
	EXAMPLE	`A000040(9)=23 in base 11 is 211^1+311^0=25=5^2, therefore 29 is a term.`
	CROSSREFS	`Cf. A091924.` `Sequence in context: A052293 A038842 A046117 this_sequence A050719 A098415 A067283` `Adjacent sequences: A091920 A091921 A091922 this_sequence A091924 A091925 A091926`
	KEYWORD	`nonn,base`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Feb 13 2004`
	EXTENSIONS	`Corrected by Zak Seidov (zakseidov(AT)yahoo.com), Feb 25 2004`

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Last modified December 20 16:54 EST 2009. Contains 171081 sequences.

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