188790

Appears in sequences

• a(n) = n*(n+1)*(n+2)*(n+3)/4.at n=28A033487
• a(n) = rad(n*(n+1)*(n+2)*(n+3)).at n=27A078638
• Number of compositions of n in which the least part is even.at n=27A103420
• Number of 3-regular labeled graphs on 2n vertices with no multiple edges, but loops are allowed. (3-regular = trivalent and a loop incident on a vertex counts as two edges.)at n=4A110039
• Smallest number not yet used that is either a divisor or multiple of both n and a(n-1).at n=30A119862
• Irregular triangle read by rows: T(n,k) is the number of k-regular graphs on n labeled nodes with loops allowed, n >= 1, 0 <= k <= n + 1.at n=45A333158
• Irregular triangle read by rows: T(n,k) is the number of k-regular graphs on n labeled nodes with loops allowed, n >= 1, 0 <= k <= n + 1.at n=48A333158
• Oblong numbers which are products of six distinct primes.at n=6A359127