Number of ways, counted up to symmetry, to build a contiguous building with n LEGO blocks of size 1 X 3.
A123770
Number of ways, counted up to symmetry, to build a contiguous building with n LEGO blocks of size 1 X 3.
Terms
- a(0) =1a(1) =8a(2) =152a(3) =3594a(4) =96105a(5) =2734356a(6) =81126946a(7) =2480378897a(8) =77597683206
External references
- oeis: A123770