OFFSET
1,2
MATHEMATICA
PrimePi[{ list from A057468 }] (* Robert G. Wilson v, Mar 03 2005 *)
CROSSREFS
KEYWORD
nonn,more
AUTHOR
Ali A. Tanara (tanara(AT)khayam.ut.ac.ir), Feb 26 2005
EXTENSIONS
More terms from Robert G. Wilson v, Mar 03 2005
a(21)-a(27) from Robert Price, Mar 27 2021
STATUS
approved