Number of ways to arrange 5 indistinguishable points on an n X n X n triangular grid so that no four points are in the same row or diagonal.

A194482

Number of ways to arrange 5 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) =6a(3) =234a(4) =2817a(5) =19362a(6) =94584a(7) =365904a(8) =1193283a(9) =3413619a(10) =8800704a(11) =20845968a(12) =46017972a(13) =95710797a(14) =189154056a(15) =357631176a(16) =650438802a(17) =1143119610a(18) =1948614426a(19) =3232108278a(20) =5230489803a(21) =8277505236a(22) =12835867968a(23) =19537783320a(24) =29235566685

External references