Number of polygon edges formed when connecting all 4n points on the perimeter of an n X n square by infinite lines.

A345650

Number of polygon edges formed when connecting all 4n points on the perimeter of an n X n square by infinite lines.

Terms

    a(0) =0a(1) =8a(2) =140a(3) =1032a(4) =3608a(5) =11308a(6) =21892a(7) =51000a(8) =83404a(9) =143900a(10) =217728a(11) =367132a(12) =456008a(13) =749328a(14) =952236a(15) =1251056a(16) =1649708a(17) =2327232a(18) =2653900a(19) =3717444a(20) =4158448a(21) =5243680a(22) =6488208a(23) =8241988a(24) =8780976a(25) =11235028a(26) =13116156

External references