id:A049002 - OEIS Search Results

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Primes of form p^2 - 2, p prime.

+0
10

2, 7, 23, 47, 167, 359, 839, 1367, 1847, 2207, 3719, 5039, 7919, 10607, 11447, 16127, 17159, 19319, 29927, 36479, 44519, 49727, 54287, 57119, 66047, 85847, 97967, 113567, 128879, 177239, 196247, 201599, 218087, 241079, 273527, 292679, 323759 (list; graph; listen)

	OFFSET	`1,1`
	LINKS	`T. D. Noe, Table of n, a(n) for n=1..1000`
	EXAMPLE	`127^2 - 2 = 16127.`
	MATHEMATICA	`f[n_]:=n^2-2; lst={}; Do[p=Prime[n]; If[PrimeQ[f[p]], AppendTo[lst, f[p]]], {n, 7!}]; lst [From Vladimir Orlovsky (4vladimir(AT)gmail.com), Jul 16 2009]`
	CROSSREFS	`Primes in A049001.` `Cf. A062326 (values of p)` `Adjacent sequences: A048999 A049000 A049001 this_sequence A049003 A049004 A049005` `Sequence in context: A028871 A053705 A049001 this_sequence A011757 A121963 A041159`
	KEYWORD	`nonn,easy`
	AUTHOR	`Herman H. Rosenfeld (herm3(AT)pacbell.net)`
	EXTENSIONS	`More terms from James A. Sellers (sellersj(AT)math.psu.edu)`

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Last modified November 8 07:45 EST 2009. Contains 166143 sequences.

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