id:A108324 - OEIS Search Results

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"Binary prime squares": perfect squares whose binary representation considered as decimal ones are primes.

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841, 1521, 2601, 2809, 4489, 7225, 7569 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`Similar to A108323 but in base 10.`
	EXAMPLE	`a(2)=1521 because 1521 in base 2 is 10111110001 and the decimal number 10111110001 is prime.`
	CROSSREFS	`Sequence in context: A091038 A121498 A159690 this_sequence A133496 A121499 A049530` `Adjacent sequences: A108321 A108322 A108323 this_sequence A108325 A108326 A108327`
	KEYWORD	`easy,nonn`
	AUTHOR	`Alexandre Wajnberg (alexandre.wajnberg(AT)ulb.ac.be), Jun 30 2005`

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Last modified December 7 08:40 EST 2009. Contains 170430 sequences.