F(N) = SUM_(n1 + n2 + ... nk=N, ni >=3 ) {[C(N, n1)C(N-n1,n2)..

来源: 于 2012-05-06 09:37:01 [旧帖] [给我悄悄话] 本文已被阅读：次

I think you are almost right,...,We use D(n1,...nk) better.