(n-1)-st elementary symmetric function of the first n terms of (2,1,4,3,6,5,8,7,...)=A103889.
A203196
(n-1)-st elementary symmetric function of the first n terms of (2,1,4,3,6,5,8,7,...)=A103889.
Terms
- a(0) =1a(1) =3a(2) =14a(3) =50a(4) =324a(5) =1764a(6) =14832a(7) =109584a(8) =1136160a(9) =10628640a(10) =131172480a(11) =1486442880a(12) =21289201920a(13) =283465647360
External references
- oeis: A203196