195660

Appears in sequences

• a(n) = a(n,m) = Sum_{k=0..n} binomial(m*k,k)*binomial(m*(n-k),n-k) for m=5.at n=5A079678
• Number of primes < prime(n)^3.at n=33A086688
• Number of ways to write n as an ordered sum of 6 prime powers (including 1).at n=41A341135
• Square array T(n,k), n >= 0, k >= 0, read by antidiagonals downwards, where T(n,k) = Sum_{j=0..n} binomial(k*j,j) * binomial(k*(n-j),n-j).at n=60A358050
• a(n) = Sum_{k=0..n} binomial(n*k,k) * binomial(n*(n-k),n-k).at n=5A358145