Number of ways to place 4 points on an n X n X n triangular grid so that no pair of them has distance sqrt(3).
A244502
Number of ways to place 4 points on an n X n X n triangular grid so that no pair of them has distance sqrt(3).
Terms
- a(0) =33a(1) =378a(2) =2190a(3) =9110a(4) =30300a(5) =85563a(6) =213293a(7) =482085a(8) =1006950a(9) =1971185a(10) =3655053a(11) =6472533a(12) =11017505a(13) =18120840a(14) =28919970a(15) =44942618a(16) =68206473a(17) =101336700a(18) =147703280a(19) =211580280a(20) =298329258a(21) =414609113a(22) =568614795a(23) =770347395a(24) =1031918240a(25) =1367889723a(26) =1795655703a(27) =2335864415
External references
- oeis: A244502