A062304 Primes of the form k - mu(k).

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

Offset: 1

Author

Jason Earls, Jul 26 2001

Keywords

• nonn

Links

• Harry J. Smith, Table of n, a(n) for n = 1..1000
• Eric Weisstein's World of Mathematics, Moebius Function

Crossrefs

Cf. A063452.

Programs

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 *)

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

Extensions

Corrected by T. D. Noe, Nov 06 2003