Number of perfect matchings on a Möbius strip of width 3 and length 2n.
A263200
Number of perfect matchings on a Möbius strip of width 3 and length 2n.
Terms
- a(0) =28a(1) =104a(2) =388a(3) =1448a(4) =5404a(5) =20168a(6) =75268a(7) =280904a(8) =1048348a(9) =3912488a(10) =14601604a(11) =54493928a(12) =203374108a(13) =759002504a(14) =2832635908a(15) =10571541128a(16) =39453528604a(17) =147242573288a(18) =549516764548
External references
- oeis: A263200