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a(n) = floor(4076/(10-n)^2).
1

%I #9 Oct 14 2018 05:21:00

%S 50,63,83,113,163,254,452,1019,4076

%N a(n) = floor(4076/(10-n)^2).

%C Undefined for n = 10.

%F a(n) = floor(4076/(10-n)^2).

%t a = Table[4076/(10 - n)^2, {n, 1, 9}]

%t Floor[a]

%Y Cf. A109553.

%K nonn,fini,full,less,dumb

%O 0,1

%A _Roger L. Bagula_, Jun 26 2005

%E Edited by _Joerg Arndt_, Oct 14 2018