Number of dissections of a polygon: binomial(4*n, n)/(3*n + 1).
A002293
Number of dissections of a polygon: binomial(4*n, n)/(3*n + 1).
Terms
- a(0) =1a(1) =1a(2) =4a(3) =22a(4) =140a(5) =969a(6) =7084a(7) =53820a(8) =420732a(9) =3362260a(10) =27343888a(11) =225568798a(12) =1882933364a(13) =15875338990a(14) =134993766600
External references
- oeis: A002293