id:A053998 - OEIS Search Results

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Smallest prime in n-th shell of prime spiral.

+0
2

2, 3, 29, 101, 229, 421, 673, 1013, 1429, 1889, 2441, 3089, 3821, 4639, 5521, 6491, 7577, 8741, 9941, 11329, 12757, 14341, 15881, 17623, 19477, 21397, 23333, 25471, 27743, 30059, 32441, 34871, 37507, 40237, 42953, 46021 (list; graph; listen)

	OFFSET	`0,1`
	EXAMPLE	`a(2)=3 because it is the first prime in shell 1 (prime 2 is in shell 0).`
	CROSSREFS	`Adjacent sequences: A053995 A053996 A053997 this_sequence A053999 A054000 A054001` `Sequence in context: A143882 A108657 A116325 this_sequence A064893 A141514 A078727`
	KEYWORD	`easy,nonn`
	AUTHOR	`Enoch Haga (Enokh(AT)comcast.net), Apr 06 2000`

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Last modified October 12 15:26 EDT 2008. Contains 144830 sequences.

AT&T Labs Research