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a(n) = floor(2/n).
6

%I #17 Dec 30 2023 23:45:02

%S 2,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,

%T 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,

%U 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0

%N a(n) = floor(2/n).

%t Floor[2/Range[80]] (* _Wesley Ivan Hurt_, Jun 26 2022 *)

%o (Magma) [Floor(2/n): n in [1..100]]; // _Wesley Ivan Hurt_, Apr 04 2023

%Y Cf. A010766.

%K easy,nonn

%O 1,1

%A _Jeff Burch_