a(n) = number of non-orientable genus 2 maps with n edges.
A348803
a(n) = number of non-orientable genus 2 maps with n edges.
Terms
- a(0) =0a(1) =0a(2) =2a(3) =16a(4) =137a(5) =1254a(6) =12597a(7) =133518a(8) =1464725a(9) =16373700a(10) =185086459a(11) =2106417804a(12) =24081813881a(13) =276231542440
External references
- oeis: A348803