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a(n) = floor(n^3 / e).
0

%I #8 Aug 11 2024 22:08:01

%S 0,0,2,9,23,45,79,126,188,268,367,489,635,808,1009,1241,1506,1807,

%T 2145,2523,2943,3406,3917,4475,5085,5748,6465,7240,8075,8972,9932,

%U 10959,12054,13220,14459,15772,17163,18634,20186,21822,23544,25354

%N a(n) = floor(n^3 / e).

%K nonn,easy

%O 0,3

%A _Patrick De Geest_, May 15 1998