id:A139019 - OEIS Search Results

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a(1)=1. a(n) = smallest prime > a(n-1) such that sum{k=1 to n} a(k) is a power of a prime.

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1, 2, 5, 11, 13, 17, 79, 83, 33554221, 33554501 (list; graph; listen)

	OFFSET	`1,2`
	PROGRAM	`(PARI) s=p=1; for(i=1, 10, print1(k", "); while(omega(s+p=nextprime(p+1))>1, ); s+=p)`
	CROSSREFS	`Cf. A139020, A139021.` `Adjacent sequences: A139016 A139017 A139018 this_sequence A139020 A139021 A139022` `Sequence in context: A019387 A019337 A086518 this_sequence A031869 A045360 A001915`
	KEYWORD	`more,nonn`
	AUTHOR	`Leroy Quet (qq-quet(AT)mindspring.com), Apr 06 2008`
	EXTENSIONS	`Corrected and extended by M. F. Hasler (Maximilian.Hasler@gmail.com), Apr 06 2008`

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Last modified October 6 16:13 EDT 2008. Contains 144667 sequences.