id:A010055 - OEIS Search Results

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1 if n is a prime power else 0.

+0
7

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

	OFFSET	`1,1`
	COMMENT	`Also, number of Galois fields of order n. - Charles R Greathouse IV, Mar 12 2008`
	LINKS	`Charles R Greathouse IV, Home Page [in lieu of email address]`
	FORMULA	`Dirichlet generating function: 1+ppzeta(s). Here ppzeta(s) = sum_{p prime} sum_{k=1}^{infinity} 1/(p^)k^s. Note that ppzeta(s) = sum_{p prime} 1/(p^s-1) and ppzeta(s) = sum_{k=1}^{infinity} primezeta(k*s). - Franklin T. Adams-Watters, Sep 11 2005.` `a(n) = 0^(A119288(n)-1). - Reinhard Zumkeller (reinhard.zumkeller(AT)lhsystems.com), May 13 2006`
	CROSSREFS	`Sequence in context: A118110 A131522 A011750 this_sequence A076699 A091862 A082551` `Adjacent sequences: A010052 A010053 A010054 this_sequence A010056 A010057 A010058`
	KEYWORD	`nonn`
	AUTHOR	`njas`
	EXTENSIONS	`More terms from Charles R Greathouse IV, Mar 12 2008`

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Last modified July 26 23:15 EDT 2008. Contains 142293 sequences.

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