364650

Appears in sequences

• a(n) = 20*C(2n,n)*(2n+1)/(n+4).at n=8A078820
• Triangle read by rows: T(n,k) is the number of standard tableaux of shape (n,n,k) (0<=k<=n).at n=32A094236
• Numbers k such that the sum of the distinct prime divisors of k equals three times the largest prime divisor of k.at n=30A200090
• Triangle read by rows in which row(n) = {T(n, k)} is the lexicographically earliest list of n numbers such that adding 1 to some T(n, k) gives a row of numbers each divisible by prime(k).at n=24A286947
• Numbers that are product of a hexagonal number (A000384) and a square pyramidal numbers (A000330) in at least two ways.at n=36A306121
• a(n) = Sum_{k=0..floor(n/4)} |Stirling1(n - 3*k,k)|.at n=13A357902
• Number of regions formed inside a triangle with edge length 1 by the straight line segments mutually connecting all vertices and points that divide the sides into segments with lengths equal to the Farey series of order n = A006842(n,k)/A006843(n,k), k = 1..A005728(n).at n=7A358948