OFFSET
1,3
LINKS
U. Zannier, On the distribution of self-numbers, Proc. Amer. Math. Soc. 85 (1982), 10-14.
FORMULA
Zannier shows that a(n) = L*n + O((log x)^2), where L is approximately 10.227...
MAPLE
# Assumes the array b52 contains a list of the terms in A003052.
p:=[]; t:=1; m:=b52[t]; c:=1;
for n from 1 to 1000 do
if n=m then c:=c+1; t:=t+1; m:=b52[t]; fi;
p:=[op(p), c];
od:
p;
CROSSREFS
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Feb 27 2017
STATUS
approved