OFFSET
1,2
LINKS
Jianing Song, Table of n, a(n) for n = 1..424
EXAMPLE
9 is a term because the circle with radius sqrt(4225) centered at the origin hits exactly 4*9 = 36 integer points, and any circle with radius < sqrt(4225) centered at the origin hits fewer than 36 points.
PROG
(PARI) my(v=list(10^15), rec=0); for(n=1, #v, if(numdiv(v[n])>rec, rec=numdiv(v[n]); print1(rec, ", "))) \\ see program for A054994
CROSSREFS
KEYWORD
nonn
AUTHOR
Jianing Song, May 20 2021
STATUS
approved