id:A160359 - OEIS Search Results

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Primes that are partial sums of squares of the odd primes

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83, 373, 2393, 4723, 56383, 122701, 1789391, 1987849, 2706679, 7287991, 27833021, 41765519, 43570537, 55600477, 62283451, 67053359, 104720809, 122353547, 204330311, 347756707, 450504547, 540649093, 677774533, 715849843, 839886301 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`There is necessarily an odd number of terms in the sum a(n) = 3^2+5^2+...+p(k)^2, i.e. the index k=A160358(n)+1 of the last prime in this sum is even.`
	FORMULA	`A160359 = A000040 intersect A133547.`
	PROGRAM	`(PARI) s=0; forprime( p=3, 9999, isprime(s+=p^2) & print1(s", "))`
	CROSSREFS	`Cf. A098562, A133547.` `Sequence in context: A141570 A031433 A061525 this_sequence A142496 A142560 A142820` `Adjacent sequences: A160356 A160357 A160358 this_sequence A160360 A160361 A160362`
	KEYWORD	`nonn`
	AUTHOR	`M. F. Hasler (MHasler(AT)univ-ag.fr), May 18 2009`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

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