Number of independent vertex sets and vertex covers in the n X n queen graph.
A287227
Number of independent vertex sets and vertex covers in the n X n queen graph.
Terms
- a(0) =1a(1) =2a(2) =5a(3) =18a(4) =87a(5) =462a(6) =2635a(7) =16870a(8) =118969a(9) =915442a(10) =7535369a(11) =66807234a(12) =633443407a(13) =6354135838a(14) =67480769839a(15) =754734433310
External references
- oeis: A287227