Number of rooted toroidal maps with n edges and no separating cycles or isthmuses.
A343091
Number of rooted toroidal maps with n edges and no separating cycles or isthmuses.
Terms
- a(0) =1a(1) =8a(2) =67a(3) =520a(4) =3978a(5) =29988a(6) =224295a(7) =1667888a(8) =12352126a(9) =91196512a(10) =671717950a(11) =4938370736a(12) =36251576684a(13) =265787720908
External references
- oeis: A343091