Number of ways to select 2 disjoint point triples from an n X n X n triangular point grid, each point triple forming an 2 X 2 X 2 triangle.
A289223
Number of ways to select 2 disjoint point triples from an n X n X n triangular point grid, each point triple forming an 2 X 2 X 2 triangle.
Terms
- a(0) =0a(1) =0a(2) =12a(3) =66a(4) =204a(5) =480a(6) =960a(7) =1722a(8) =2856a(9) =4464a(10) =6660a(11) =9570a(12) =13332a(13) =18096a(14) =24024a(15) =31290a(16) =40080a(17) =50592a(18) =63036a(19) =77634a(20) =94620a(21) =114240a(22) =136752a(23) =162426a(24) =191544a(25) =224400a(26) =261300a(27) =302562a(28) =348516a(29) =399504
External references
- oeis: A289223