38955840

Appears in sequences

• a(n) = 5n*(5n-1)*(5n-2)*(5n-3)*(5n-4).at n=7A054778
• a(n) = binomial(n+3,3)*binomial(n+6,3).at n=30A105939
• The r-th term of the n-th row of the following triangle contains product of r successive numbers in decreasing order beginning from T(n)-T(r-1) where T(n) is the n-th triangular number. 1 3 2 6 20 6 10 72 210 24 15 182 1320 3024 120 ... Sequence contains the triangle by rows.at n=40A110768
• a(n) = n*(n-1)*(n-2)*(n-3)*...*(n-k) such that (n-k) is the largest prime smaller than n.at n=34A117481