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A067201 Numbers n such that n^2+2 is prime. +0
20
0, 1, 3, 9, 15, 21, 33, 39, 45, 57, 81, 99, 105, 111, 117, 123, 147, 171, 219, 225, 237, 243, 249, 255, 273, 297, 303, 309, 321, 345, 351, 363, 369, 375, 387, 417, 423, 429, 441, 447, 453, 477, 501, 513, 549, 555, 561, 573, 603, 609, 651, 675, 681, 699, 711, 753 (list; graph; listen)
OFFSET

1,3

LINKS

T. D. Noe, Table of n, a(n) for n=1..1000

Eric Weisstein's World of Mathematics, Near-Square Prime

CROSSREFS

Equals 6*A056900(n-2) + 3, n>1.

Cf. A106571

Sequence in context: A016945 A110108 A102954 this_sequence A071526 A114271 A137164

Adjacent sequences: A067198 A067199 A067200 this_sequence A067202 A067203 A067204

KEYWORD

nonn

AUTHOR

Benoit Cloitre (benoit7848c(AT)orange.fr), Feb 19 2002

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Last modified July 25 07:41 EDT 2008. Contains 142293 sequences.


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