

A175102


1, followed by list of numbers n such that the number of strong primes and the number of weak primes are equal at the nth prime.


3



1, 60, 64, 41192, 41194, 41247, 41250, 41252, 41257, 41259, 41261, 41263, 41265, 41267, 41273, 41275, 41277, 41279, 41287, 41317, 41319, 41321, 41323, 41325, 41327, 41328, 41329, 41335, 41336, 41338, 41339, 41341, 41389, 41393, 41397, 41399, 41401, 41404, 41406, 41408, 41412, 41444, 41448, 42112
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OFFSET

1,2


COMMENTS

Also, indices of zeros in A092243.  N. J. A. Sloane, Mar 13 2016


LINKS

N. J. A. Sloane and Chai Wah Wu, Table of n, a(n) for n = 1..20000, terms for n = 1..446 from N. J. A. Sloane.
Prime Curio for 281


PROG

(PARI) c=1; q=3; r=2; s=0; forprime(p=5, default(primelimit), c++; (s+=sign(r+02*(r=q)+q=p))print1(c", ")) \\ M. F. Hasler, Dec 03 2010


CROSSREFS

Cf. A051634, A051635, A092243.
Sequence in context: A280183 A181463 A114559 * A295697 A138690 A118155
Adjacent sequences: A175099 A175100 A175101 * A175103 A175104 A175105


KEYWORD

nonn


AUTHOR

G. L. Honaker, Jr., Dec 02 2010


EXTENSIONS

More terms from Chris K. Caldwell


STATUS

approved



