Number of collinear point 6-tuples in an n X n .. X n 4-dimensional cubical grid.
A178271
Number of collinear point 6-tuples in an n X n .. X n 4-dimensional cubical grid.
Terms
- a(0) =0a(1) =0a(2) =0a(3) =0a(4) =0a(5) =1400a(6) =16520a(7) =103040a(8) =455040a(9) =1602000a(10) =4840032a(11) =12815552a(12) =31069112a(13) =68954312a(14) =144449440a(15) =284461680a(16) =537258960a(17) =966579120
External references
- oeis: A178271