Number of independent vertex sets and vertex covers in the n-triangular honeycomb obtuse knight graph.
A287229
Number of independent vertex sets and vertex covers in the n-triangular honeycomb obtuse knight graph.
Terms
- a(0) =2a(1) =8a(2) =64a(3) =250a(4) =1008a(5) =7005a(6) =125979a(7) =2195964a(8) =35271470a(9) =628776316a(10) =20151270950a(11) =985420227285
External references
- oeis: A287229