Number of tilings of a sphinx of order n with n^2 - 2 elementary sphinxes and a single sphinx domino that has two different tilings.
A317541
Number of tilings of a sphinx of order n with n^2 - 2 elementary sphinxes and a single sphinx domino that has two different tilings.
Terms
- a(0) =0a(1) =0a(2) =0a(3) =5a(4) =18a(5) =48170a(6) =8361983
External references
- oeis: A317541