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A062304 Primes of the form k - mu(k). 2
3, 5, 13, 31, 37, 43, 61, 67, 71, 73, 79, 103, 131, 139, 157, 191, 193, 223, 239, 277, 283, 311, 313, 367, 389, 397, 419, 421, 431, 439, 443, 457, 461, 499, 509, 541, 569, 599, 607, 613, 619, 643, 647, 659, 661, 673, 683, 733, 743, 757, 769, 787, 797, 823, 827 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Harry J. Smith, Table of n, a(n) for n = 1..1000

Eric Weisstein's World of Mathematics, Moebius Function

MATHEMATICA

lst={}; Do[p=n-MoebiusMu[n]; If[PrimeQ[p], AppendTo[lst, p]], {n, 2, 1200}]; lst (* T. D. Noe *)

Select[Table[n-MoebiusMu[n], {n, 1000}], PrimeQ] (* Harvey P. Dale, Jun 18 2011 *)

PROG

(PARI) { n=0; for (m=1, 10^9, a=m - moebius(m); if (isprime(a), write("b062304.txt", n++, " ", a); if (n==1000, break)) ) } \\ Harry J. Smith, Aug 04 2009

CROSSREFS

Cf. A063452.

Sequence in context: A233232 A144471 A190667 * A281874 A135532 A127600

Adjacent sequences:  A062301 A062302 A062303 * A062305 A062306 A062307

KEYWORD

nonn

AUTHOR

Jason Earls, Jul 26 2001

EXTENSIONS

Corrected by T. D. Noe, Nov 06 2003

STATUS

approved

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Last modified November 28 20:44 EST 2020. Contains 338755 sequences. (Running on oeis4.)