The number of spanning trees of the ladder graph L_n up to automorphisms of L_n.
A363165
The number of spanning trees of the ladder graph L_n up to automorphisms of L_n.
Terms
- a(0) =1a(1) =1a(2) =6a(3) =17a(4) =59a(5) =204a(6) =750a(7) =2746a(8) =10215a(9) =37936a(10) =141468a(11) =527283a(12) =1967449a(13) =7340090a(14) =27392124a(15) =102219380a(16) =381482477a(17) =1423676862a(18) =5313214098a(19) =19829053909a(20) =74002960983a(21) =276182321224
External references
- oeis: A363165