608608000

Appears in sequences

• Triple factorial numbers (3*n-2)!!! with leading 1 added.at n=9A007559
• Triple factorial numbers a(n) = n!!!, defined by a(n) = n*a(n-3), a(0) = a(1) = 1, a(2) = 2. Sometimes written n!3.at n=25A007661
• Triangle read by rows, the Bell transform of the triple factorial numbers A007559(n+1) without column 0.at n=36A035469
• a(n) = (3*n+7)!!!/7!!!.at n=7A051607
• a(n) = (n+1)*a(n-3), a(0)=a(1)=a(2)=1 for n>1.at n=24A081406
• Triangle of numbers obtained from the partition array A134150.at n=36A134151
• Triple factorial array, read by antidiagonals, where row n+1 is generated from row n by first removing terms in row n at positions {[m*(m+5)/6], m >= 0} and then taking partial sums, starting with all 1's in row 0.at n=45A136212
• Triangle T, read by rows, where T(n,k) = A007559(n-k)*C(n,k) where A007559 equals the triple factorials in column 0.at n=45A136215
• Triangle, read by rows, T(n,k) = k^(n+1) * Pochhammer(1/k, n+1).at n=30A153274
• Triple factorials n!!!: a(n) = n*a(n-3).at n=25A161474
• Triangle S(n,k) by rows: coefficients of 3^((n-1)/2)*(x^(1/3)*d/dx)^n when n=1,3,5,...at n=36A223525
• Triangle read by rows: T(n, k) is the Sheffer triangle ((1 - 3*x)^(-1/3), (-1/3)*log(1 - 3*x)). A generalized Stirling1 triangle.at n=45A286718
• Product of k in [1, 2n-1] with k and k+1 coprime to 2n-1.at n=13A290341
• Triangle T(n, k) read by rows: row n gives the coefficients of the numerator polynomials of the o.g.f. of the (n+1)-th diagonal of the Sheffer triangle A286718 (|S1hat[3,1]| generalized Stirling 1), for n >= 0.at n=45A290595
• Triangle read by rows. A generalization of unsigned Lah numbers, called L[3,2].at n=36A290598
• Triangle read by rows. A generalization of unsigned Lah numbers, called L[3,2].at n=38A290598
• Coefficients of the series S(p, q) for which -(p^(1/3))*S converges to the largest real root of x^4 - p*x + q, where 0 < p and 0 < q < 3*(p/4)^(4/3).at n=8A343446