Number of minimal edge covers in the n-Moebius ladder.

Terms

a(0) =3a(1) =7a(2) =15a(3) =59a(4) =143a(5) =367a(6) =1039a(7) =2755a(8) =7395a(9) =20007a(10) =53727a(11) =144635a(12) =389535a(13) =1048159a(14) =2821535a(15) =7595267a(16) =20443523a(17) =55029319a(18) =148125295a(19) =398712379a(20) =1073232175a(21) =2888862159a(22) =7776059055a(23) =20931132355a(24) =56341155043a(25) =151655701607a(26) =408217663167