id:A108022 - OEIS Search Results

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a(1)=2; a(n) is the smallest prime such that a(n)-a(n-1) is a 4th power (>0).

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2, 3, 19, 160019, 1049920019, 1050730019, 1051540019, 12910750019, 13960510019, 14167870019, 67252030019, 67252840019, 67318450019, 196918450019, 197968210019, 568118770019, 568119580019, 938270140019, 938477500019 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`All members after 19 will end in '0019'`
	EXAMPLE	`a(3)=19, for 19 +k^4 to be prime, k must be even and divisible by 5. 19+10^4=10019=43*233,but 19+20^4 is prime.`
	CROSSREFS	`Cf. A073609, A076201.` `Sequence in context: A066735 A099069 A038584 this_sequence A108884 A119584 A089181` `Adjacent sequences: A108019 A108020 A108021 this_sequence A108023 A108024 A108025`
	KEYWORD	`nonn`
	AUTHOR	`John L. Drost (drost(AT)marshall.edu), May 31 2005`

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Last modified December 10 00:48 EST 2009. Contains 170565 sequences.

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