A365620 - OEIS

%I #25 Sep 25 2023 08:55:42

%S 4,12,20,36,60,108,180,252,324,540,756,972,1620,2268,2916,4860,6804,

%T 8748,14580,20412,26244,43740,61236,72900,78732,102060,131220,183708,

%U 218700,236196,306180,393660,551124,656100,708588,918540

%N Number of integer grid points on the circle around (0,0) with radius A088959(n).

%F a(n) = 8*A088111(n) + 4.

%Y Sequence of records of A046109 (first term 1 from A046109 is omitted).

%Y See A071385 for radii that are not necessarily integers.

%K nonn

%O 1,1

%A _Günter Rote_, Sep 12 2023