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A037984 Maximum number of trapezoids that can be formed by n lines in plane. 0

%I #3 Mar 31 2012 13:22:18

%S 1,5,15,31,60,108,171,264,396,556,770,1050,1375,1785,2295,2880,3600,

%T 4425,5395

%N Maximum number of trapezoids that can be formed by n lines in plane.

%K nonn

%O 4,2

%A _Erich Friedman_

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Last modified March 28 14:02 EDT 2024. Contains 371254 sequences. (Running on oeis4.)