3190187286
domain: N
Appears in sequences
- Binomial coefficient C(3n,n-5).at n=10A004323
- Binomial coefficient C(45,n).at n=10A010961
- Binomial coefficient C(n,35).at n=10A010988
- a(n) = C( C(n,2), n).at n=10A116508
- Binomial coefficients C(2*n-9,10).at n=17A196790
- Triangle, read by rows, defined by T(n,k) = C(n^2 - k^2, n*k - k^2), for k=0..n, n>=0.at n=30A245243
- a(n) is the number of positive integers that have n prime factors and these are all <= n.at n=34A377537