Number of ways to arrange 6 indistinguishable points on an n X n X n triangular grid so that no four points are in the same row or diagonal.
A194483
Number of ways to arrange 6 indistinguishable points on an n X n X n triangular grid so that no four points are in the same row or diagonal.
Terms
- a(0) =0a(1) =0a(2) =1a(3) =165a(4) =4135a(5) =47010a(6) =337860a(7) =1790472a(8) =7622340a(9) =27489825a(10) =87018360a(11) =247874770a(12) =647091588a(13) =1569661600a(14) =3576049620a(15) =7716906900a(16) =15881735580a(17) =31347485274a(18) =59618165895a(19) =109678780695a(20) =195827638105a(21) =340301983890a(22) =576974687080
External references
- oeis: A194483