login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A092853
Number of composites > mean composite (=A092802(n)) below 10^n.
3
2, 37, 418, 4398, 45288, 461339, 4671939, 47150884, 474823446, 4774453663, 47957215384, 481331669604, 4828116680970, 48407394207052, 485163305702187
OFFSET
1,1
FORMULA
a(n) = A092871(n) - A092852(n) = A065894(n) - 1 - A092852(n). - Max Alekseyev, Aug 15 2013
EXAMPLE
At 10^1 there are 4 composites: 4+6+8+9=27. The rounded mean is 27\4=7. there are 2 composites over 7: 8 and 9, so a(1)=2.
CROSSREFS
KEYWORD
more,nonn
AUTHOR
Enoch Haga, Mar 07 2004
EXTENSIONS
Terms a(9)-a(15) from Max Alekseyev, Aug 15 2013
STATUS
approved