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 A096455 Primes p such that the number of primes q, 7 <= q < p, congruent to 1 or 2 mod 5, is two more than the number of such primes congruent to 3 or 4 mod 5. 9
 13, 19, 43, 53, 71, 79, 139, 163, 173, 193, 199, 223, 229, 263, 281, 293, 311, 317, 383, 409, 433, 593, 613, 619, 641, 647, 659, 673, 683, 701, 719, 733, 769, 809, 821, 827, 839, 911, 929, 941, 1151, 1163, 1181, 1231, 1277, 1283, 1301, 1307, 1321, 1439, 1451 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS Harvey P. Dale, Table of n, a(n) for n = 1..1000 MATHEMATICA Prime[#+4]&/@Flatten[Position[Accumulate[Table[Which[Mod[n, 5] == 1, 1, Mod[ n, 5] == 2, 1, Mod[ n, 5] == 3, -1, Mod[n, 5]==4, -1], {n, Prime[ Range[ 4, 250]]}]], 2]] (* Harvey P. Dale, Aug 29 2021 *) CROSSREFS Cf. A096447-A096454. Sequence in context: A029478 A252021 A216101 * A124199 A119869 A272200 Adjacent sequences:  A096452 A096453 A096454 * A096456 A096457 A096458 KEYWORD nonn,easy AUTHOR Yasutoshi Kohmoto, Aug 12 2004 EXTENSIONS More terms and better definition from Joshua Zucker, May 21 2006 STATUS approved

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Last modified September 20 00:58 EDT 2021. Contains 347577 sequences. (Running on oeis4.)