OFFSET
0,5
COMMENTS
Limit(Prime(n), n->Infinity) = n*log(n).
Limit(PrimePi(n), n->Infinity) = n/log(n).
Then ratio lengths are:
Limit(Prime(n)/PrimePi(n), n->Infinity) = n*log(n)/)n/log(n) = log(n)^2.
FORMULA
a(n) = floor(log(n)^2).
MATHEMATICA
Table[Floor[Log[n]^2], {n, 1, 100}]
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Roger L. Bagula, Mar 21 2013
STATUS
approved