Triangle read by rows: T(n,k) is the number of generalized polyforms on the tetrahedral-octahedral honeycomb with n cells, k of which are octahedra; 0 <= k <= n.
A365970
Triangle read by rows: T(n,k) is the number of generalized polyforms on the tetrahedral-octahedral honeycomb with n cells, k of which are octahedra; 0 <= k <= n.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =0a(4) =1a(5) =0a(6) =0a(7) =3a(8) =1a(9) =0a(10) =0a(11) =3a(12) =5a(13) =1a(14) =0a(15) =0a(16) =6a(17) =24a(18) =13a(19) =1a(20) =0a(21) =0a(22) =3a(23) =74a(24) =105a(25) =13a(26) =0a(27) =0a(28) =0a(29) =3
External references
- oeis: A365970