Number of unsensed 3-regular maps with 3*n edges on the Klein bottle.
A348767
Number of unsensed 3-regular maps with 3*n edges on the Klein bottle.
Terms
- a(0) =2a(1) =12a(2) =72a(3) =570a(4) =4948a(5) =48258a(6) =494559a(7) =5264665a(8) =57216730a(9) =630853639a(10) =7023102071a(11) =78752243387a(12) =888014678913
External references
- oeis: A348767