a(n) = LCM of denominators of Cotesian numbers {C(n,k), 0 <= k <= n}.

A002176

a(n) = LCM of denominators of Cotesian numbers {C(n,k), 0 <= k <= n}.

Terms

    a(0) =2a(1) =6a(2) =8a(3) =90a(4) =288a(5) =840a(6) =17280a(7) =28350a(8) =89600a(9) =598752a(10) =87091200a(11) =63063000a(12) =402361344000a(13) =5003856000a(14) =2066448384a(15) =976924698750

External references