Number of fixed polyaboloes (or polytans) with n cells, where the orientation of two triangles sharing a hypotenuse (making up a square) matters.
A390995
Number of fixed polyaboloes (or polytans) with n cells, where the orientation of two triangles sharing a hypotenuse (making up a square) matters.
Terms
- a(0) =4a(1) =10a(2) =32a(3) =117a(4) =456a(5) =1848a(6) =7664a(7) =32308a(8) =137952a(9) =595152a(10) =2590256a(11) =11358269a(12) =50127704a(13) =222460920a(14) =992017056a(15) =4442318154a(16) =19966750976a(17) =90039268784
External references
- oeis: A390995