Number of non-equivalent ways (mod D_2) to select 4 points from n equidistant points on a straight line so that no selected point is equally distant from two other selected points.
A300761
Number of non-equivalent ways (mod D_2) to select 4 points from n equidistant points on a straight line so that no selected point is equally distant from two other selected points.
Terms
- a(0) =0a(1) =1a(2) =3a(3) =6a(4) =15a(5) =28a(6) =53a(7) =87a(8) =140a(9) =210a(10) =310a(11) =434a(12) =600a(13) =803a(14) =1061a(15) =1368a(16) =1747a(17) =2190a(18) =2723a(19) =3337a(20) =4060a(21) =4884a(22) =5840a(23) =6916a(24) =8148a(25) =9525a(26) =11083a(27) =12810a(28) =14747a(29) =16880
External references
- oeis: A300761