Number of rooted toroidal maps with n edges and no isthmuses.

A343093

Number of rooted toroidal maps with n edges and no isthmuses.

Terms

    a(0) =1a(1) =14a(2) =159a(3) =1680a(4) =17147a(5) =171612a(6) =1696491a(7) =16631840a(8) =162090756a(9) =1572801142a(10) =15210259585a(11) =146710561296

External references