Number of irredundant sets in the n-triangular honeycomb queen graph.
A391912
Number of irredundant sets in the n-triangular honeycomb queen graph.
Terms
- a(0) =2a(1) =4a(2) =22a(3) =76a(4) =454a(5) =3040a(6) =23077a(7) =202644a(8) =2006095a(9) =22326039
External references
- oeis: A391912