1139166

Appears in sequences

• Triangle read by rows: T(n,k) = p(k)*T(n-1,k) + T(n-1,k-1) (1 <= k <= n), where p(k) denotes the k-th prime.at n=49A124960
• Sum of all integers m satisfying Omega(m) = n and pi(p) <= n for all prime factors p of m.at n=5A332967
• A(n,k) is the sum of all compositions [c_1, c_2, ..., c_k] of n into k nonnegative parts encoded as Product_{i=1..k} prime(i)^(c_i); square array A(n,k), n>=0, k>=0, read by antidiagonals.at n=60A343751