804440

Appears in sequences

• Triangle of numbers of Dyck paths.at n=48A039797
• Triangle read by rows: numbers of Dyck paths.at n=51A039798
• a(n) = ((n-th prime)^6-(n-th prime^2))/6.at n=5A138445
• Triangle V(l,p) (l>=0, p=0..l) read by rows: see Formula for definition, see Comments for motivation.at n=123A179898
• Triangle read by rows: the X-transformation of the Catalan triangle A033184.at n=38A228334
• Triangle read by rows: T(n,r) = binomial(n,r)*binomial(2*n-3*r-4,n-2*r-2)/(n-r-1), n >= 2, r = 0..floor(n/2)-1.at n=52A259097
• a(n) = (5*n + 3)*(5*n + 4)*(5*n + 5)/6.at n=33A300522
• Integers k such that k = Sum k/(p_i + j), where p_i are the prime factors of k (with multiplicity). Case j = 3.at n=28A380924