216600

Appears in sequences

• a(n) = n*(n+1)^2*(n+2)^2/12.at n=18A004282
• a(n) = floor(n/2) * floor((n-1)/2) * floor((n-2)/2) * floor((n-3)/2) * floor((n-4)/2) / 12.at n=41A028725
• a(n) = Product_{k>=0} (1 + floor(n/2^k)).at n=37A132269
• Numbers n that raised to the powers from 1 to k (with k>=1) are multiple of the sum of their digits (n raised to k+1 must not be a multiple). Case k=12.at n=34A135197
• a(n) is the number of subsets of {1..n} that contain exactly 2 odd and 3 even numbers.at n=40A330300