Number of ways to place zero or more nonadjacent 1,0 2,0 3,1 3,2 3,3 4,1 5,2 polyhexes in any orientation on a planar nXnXn triangular grid.
A155340
Number of ways to place zero or more nonadjacent 1,0 2,0 3,1 3,2 3,3 4,1 5,2 polyhexes in any orientation on a planar nXnXn triangular grid.
Terms
- a(0) =1a(1) =7a(2) =19a(3) =37a(4) =61a(5) =257a(6) =2034a(7) =12328a(8) =53385a(9) =258324a(10) =2321815a(11) =29642532a(12) =362215522a(13) =3875443645a(14) =50070184746a(15) =929942357232
External references
- oeis: A155340