Triangle read by rows: T(n,f) is the number of rooted maps with n edges and f faces on an orientable surface of genus 3.
A269923
Triangle read by rows: T(n,f) is the number of rooted maps with n edges and f faces on an orientable surface of genus 3.
Terms
- a(0) =1485a(1) =56628a(2) =56628a(3) =1169740a(4) =2668750a(5) =1169740a(6) =17454580a(7) =66449432a(8) =66449432a(9) =17454580a(10) =211083730a(11) =1171704435a(12) =1955808460a(13) =1171704435a(14) =211083730a(15) =2198596400a(16) =16476937840a(17) =40121261136a(18) =40121261136a(19) =16476937840a(20) =2198596400a(21) =20465052608a(22) =196924458720a(23) =647739636160
External references
- oeis: A269923