id:A094875 - OEIS Search Results

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a(n)=1 if floor(Pi*10^n) is prime, otherwise a(n)=0.

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1, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 (list; graph; listen)

	OFFSET	`0,1`
	EXAMPLE	`a(0)=1 because 3 is prime,` `a(2)=0 because 314 is divided by 2` `a(5)=1 because 314159 is prime` `a(13)=0 because 31415926535897 is divided by 163`
	PROGRAM	`(PARI) \p 120 a=vector(100); v=1; for(i=1, 100, a[i]=isprime(floor(Piv)); v=v10)`
	CROSSREFS	`Cf. A089281, A000796, A010051.` `Sequence in context: A016338 A113052 A117964 this_sequence A012245 A089801 A089802` `Adjacent sequences: A094872 A094873 A094874 this_sequence A094876 A094877 A094878`
	KEYWORD	`nonn`
	AUTHOR	`Frederic E.D. Michaud (famillesmichaud(AT)hotmail.com), Jun 16 2004`
	EXTENSIONS	`More terms from Johan Claes (Johan.Claes(AT)luc.ac.be), Jun 16 2004`

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Last modified December 17 13:29 EST 2009. Contains 170826 sequences.

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