Number of free polyaboloes (or polytans) with n cells, where the orientation of two triangles sharing a hypotenuse (making up a square) matters.
A390993
Number of free polyaboloes (or polytans) with n cells, where the orientation of two triangles sharing a hypotenuse (making up a square) matters.
Terms
- a(0) =1a(1) =3a(2) =5a(3) =21a(4) =60a(5) =253a(6) =969a(7) =4127a(8) =17289a(9) =74757a(10) =323969a(11) =1421323a(12) =6266760a(13) =27814218
External references
- oeis: A390993