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%I #13 Feb 09 2021 02:45:18
%S 4,16,16,24,36,32,48,44,56,72,64,76,80,88,92,96,112,116,120,120,128,
%T 140,152,144,148,184,160,184,172,184,208,188,208,208,220,240,224,240,
%U 244,256,256,252,288,272,280,276,296,312,308,320,312,328,340,328,344
%N First differences of A341198.
%F a(n) = A341198(n) - A341198(n-1).
%F a(n) == 0 (mod 4).
%F If A341198(n) = Pi*n^2 + c*n + o(n) for some constant c (as suggested in a comment to A341198), it holds that a(n) ~ 2*Pi*n + o(n).
%Y Cf. A341198.
%K nonn
%O 1,1
%A _Pontus von Brömssen_, Feb 06 2021