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 A045326 Primes congruent to {2, 3} mod 4. 13
 2, 3, 7, 11, 19, 23, 31, 43, 47, 59, 67, 71, 79, 83, 103, 107, 127, 131, 139, 151, 163, 167, 179, 191, 199, 211, 223, 227, 239, 251, 263, 271, 283, 307, 311, 331, 347, 359, 367, 379, 383, 419, 431, 439, 443, 463, 467, 479, 487, 491, 499, 503, 523, 547, 563, 571, 587, 599, 607, 619 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Apart from initial term 2, same as A002145 (primes of the form 4k+3). Primes not in A002144. - Juri-Stepan Gerasimov, Oct 16 2010 LINKS Vincenzo Librandi, Table of n, a(n) for n = 1..1000 FORMULA a(n) ~ 2n log n. - Charles R Greathouse IV, Dec 11 2016 MATHEMATICA Select[Prime[Range[120]], MemberQ[{2, 3}, Mod[#, 4]] &] (* Vladimir Joseph Stephan Orlovsky, Feb 18 2012 *) PROG (MAGMA) [p: p in PrimesUpTo(740) | p mod 4 in [2, 3]] // Vincenzo Librandi, Dec 18 2010 (PARI) is(n)=n%4>1 && isprime(n) \\ Charles R Greathouse IV, Dec 11 2016 CROSSREFS Sequence in context: A108541 A038937 A092940 * A214029 A195602 A105897 Adjacent sequences:  A045323 A045324 A045325 * A045327 A045328 A045329 KEYWORD nonn,easy AUTHOR STATUS approved

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Last modified December 15 22:53 EST 2018. Contains 318157 sequences. (Running on oeis4.)