Number of ways to arrange 8 points on an n X n X n triangular grid on an isosceles triangle so that it balances at the midpoint of its central altitude.
A194022
Number of ways to arrange 8 points on an n X n X n triangular grid on an isosceles triangle so that it balances at the midpoint of its central altitude.
Terms
- a(0) =0a(1) =0a(2) =0a(3) =0a(4) =21a(5) =560a(6) =6425a(7) =47385a(8) =262382a(9) =1180469a(10) =4530030a(11) =15317274a(12) =46696163a(13) =130554918a(14) =339126948a(15) =826821895a(16) =1907572610a(17) =4192279515a(18) =8824669582a(19) =17873749440a(20) =34969097933a(21) =66304228516a(22) =122186400487a(23) =219382723103
External references
- oeis: A194022