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A219602 Primes p such that p^2-2 is composite. 1
11, 17, 23, 31, 41, 53, 59, 67, 73, 79, 83, 97, 101, 109, 113, 137, 149, 151, 157, 163, 167, 179, 181, 193, 197, 199, 227, 229, 241, 251, 263, 269, 271, 277, 281, 283, 307, 311, 317, 331, 347, 349, 353, 367, 373, 379, 383, 389, 397, 401, 409, 419, 431 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
MATHEMATICA
Select[Prime[Range[83]], ! PrimeQ[#^2 - 2] &]
CROSSREFS
Cf. A062326.
Sequence in context: A158913 A363638 A066938 * A242260 A076812 A074207
KEYWORD
nonn
AUTHOR
Jayanta Basu, Apr 12 2013
STATUS
approved

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Last modified March 28 05:39 EDT 2024. Contains 371235 sequences. (Running on oeis4.)