0,4

a(n) =A000312(n)-A000290(n) =log(A058125(n))/log(n)

a(2)=2^2-2^2=4-4=0. a(3)=3^3-3^2=27-9=18.

Sequence in context: A017065 A016252 A016301 this_sequence A016247 A021064 A080629

Adjacent sequences: A058123 A058124 A058125 this_sequence A058127 A058128 A058129

easy,nonn

Henry Bottomley (se16(AT)btinternet.com), Nov 10 2000