Number of polyhypercubes or 4-dimensional polyominoes with n cells (regarding mirror-images as identical).
A068870
Number of polyhypercubes or 4-dimensional polyominoes with n cells (regarding mirror-images as identical).
Terms
- a(0) =1a(1) =1a(2) =1a(3) =2a(4) =7a(5) =26a(6) =147a(7) =1019a(8) =8699a(9) =82535a(10) =846042a(11) =9078720
External references
- oeis: A068870