18411

Appears in sequences

• Expansion of (1-x)^(-3) * (1-x^2)^(-2).at n=33A002624
• a(n) = n*(n+1)*(n+2)^2/6.at n=17A004320
• a(n) = C(3n,n) - C(3n,n-4).at n=6A026032
• a(n) = (n+1)*binomial(n+1,16).at n=3A027776
• Numbers n such that n | 6^n + 5^n + 1.at n=18A057299
• Number of primes < prime(n)^3.at n=16A086688
• Maximum number of points visible from some point in a cubic n x n x n lattice.at n=27A141227
• Total area of the shadows of the three views of the shell model of partitions, version "Tree", with n shells.at n=20A210980
• Numbers k such that (38*10^k + 187)/9 is prime.at n=15A295631
• Number of minimum dominating sets in the n-antiprism graph.at n=37A304568
• a(n) is the number of subsets of {1..n} that contain exactly 1 odd and 3 even numbers.at n=38A330299
• a(n) is the number of subsets of {1..n} that contain exactly 3 odd and 1 even numbers.at n=38A333319
• a(n) = Sum_{d|n} d^d * binomial(n/d,d).at n=50A376014