1,1

with(numtheory): f := n->ithprime(n)+mobius(n); [ seq(f(i), i=1..80) ];

Sequence in context: A129594 A158441 A102787 this_sequence A128885 A084695 A082228

Adjacent sequences: A014190 A014191 A014192 this_sequence A014194 A014195 A014196

nonn

N. J. A. Sloane (njas(AT)research.att.com).