1,1

Using the mean value in A092802 count composites <= mean below 10^n

At 10^1 there are 4 composites: 4+6+8+9=27. The rounded mean is 27\4=7. there are 2 composites under 7: 4 and 6, so a(1)=2.

Cf. A092802, A092853, A092854.

Sequence in context: A119582 A157055 A057407 this_sequence A139738 A025608 A141132

Adjacent sequences: A092849 A092850 A092851 this_sequence A092853 A092854 A092855

easy,more,nonn

Enoch Haga (Enokh(AT)comcast.net), Mar 07 2004