1/a(n) is the area of the smallest triangle delimited by 3 lines each passing through at least 2 points of an n X n unitary spaced grid.

A234566

1/a(n) is the area of the smallest triangle delimited by 3 lines each passing through at least 2 points of an n X n unitary spaced grid.

Terms

    a(0) =4a(1) =30a(2) =770a(3) =5148a(4) =30566a(5) =89900a(6) =219960a(7) =614460a(8) =1146596a(9) =2624076a(10) =4299916a(11) =8432732a(12) =11016390a(13) =22391148a(14) =28183214a(15) =51839100a(16) =68834390a(17) =108242060a(18) =135140460

External references