OFFSET
1,2
MATHEMATICA
Sqrt@PrimePi[{ (* list of entries in A064523 *) }^2] (* Robert G. Wilson v, Feb 03 2006 *)
CROSSREFS
KEYWORD
nonn,more
AUTHOR
Zak Seidov, Feb 01 2006
EXTENSIONS
a(20) from Robert G. Wilson v, Feb 03 2006
Added missing terms 28239, 29901, 40328 and a(24)-a(27) from Donovan Johnson, May 30 2010
a(28)-a(31) from Chai Wah Wu, Aug 27 2019
STATUS
approved
