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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 n-th 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 (list; graph; refs; listen; history; text; internal format)
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+0-2*(r=q)+q=p))|print1(c", ")) \\ M. F. Hasler, Dec 03 2010

CROSSREFS

Cf. A051634, A051635, A092243.

Sequence in context: A280183 A181463 A114559 * A138690 A118155 A066722

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

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Last modified March 24 02:10 EDT 2017. Contains 283984 sequences.