Number of distinct shadow transforms for sequences of length n.
A226443
Number of distinct shadow transforms for sequences of length n.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =3a(4) =12a(5) =48a(6) =288a(7) =1356a(8) =10848a(9) =70896a(10) =588480
External references
- oeis: A226443