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A007591 Numbers n such that n^2+4 is prime.
(Formerly M2416) 		+0
15
1, 3, 5, 7, 13, 15, 17, 27, 33, 35, 37, 45, 47, 57, 65, 67, 73, 85, 87, 95, 97, 103, 115, 117, 125, 135, 137, 147, 155, 163, 167, 177, 183, 193, 203, 207, 215, 217, 233, 235, 243, 245, 253, 255, 265, 267, 275, 277, 287 (list; graph; listen)
OFFSET

1,2
LINKS

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

CROSSREFS

Sequence in context: A092793 A024909 A063241 this_sequence A097687 A032911 A008996

Adjacent sequences: A007588 A007589 A007590 this_sequence A007592 A007593 A007594

KEYWORD

nonn

AUTHOR

njas, R. K. Guy.

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.

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