1512000

Appears in sequences

• An ill-conditioned determinant.at n=3A002204
• a(n) = n*(n+1)^2*(n+2)^3*(n+3)^2*(n+4).at n=3A057658
• Triangle T(n,k) of associated Lah numbers, n>=2, k=1..floor(n/2).at n=23A076126
• a(n) = determinant of the n X n matrix m(i,j) = (i+j+2)!/i!/j!.at n=4A105187
• Denominators of partial sums for a series of (4/5)*Zeta(3).at n=4A130552
• Triangle read by rows: T(n, k) = (n+1)!*(1/k + 1/(n-k+1)).at n=39A156047
• Triangle read by rows: T(n, k) = (n+1)!*(1/k + 1/(n-k+1)).at n=41A156047
• Triangle T(n,k) = SF(n+1)/(SF(n-k+1)*SF(k+1)) where SF(n) is the superfactorial A000178(n), read by rows.at n=24A156584
• Expansion of e.g.f.: exp(t*x)/(1 - x^2/t - t^3*x^3).at n=65A158785
• Triangle T(n, k) = c(n)/(c(k)*c(n-k)) where c(n) = (n-2)!*(n-1)!*n!*(n+1)!/12 with c(0) = c(1) = 1 and c(2) = 2, read by rows.at n=24A173889
• Numbers n such that n = k/d(k) has exactly 5 solutions, where d(k) = number of divisors of k.at n=14A217126
• Number of n-length words w over an 8-ary alphabet {a1,a2,...,a8} such that #(w,a1) >= #(w,a2) >= ... >= #(w,a8) >= 1, where #(w,x) counts the letters x in word w.at n=2A226887
• Triangle read by rows: T(n,k) is the number of n-bead bracelets with exactly k different colored beads.at n=52A273891
• Triangle corresponding to the partition array of the M_1 multinomials (A036038).at n=52A292222
• Triangle read by rows: denominators of c_{n,k}, n >= 0, k = 0..n, used in the proof that Zeta(3) is irrational.at n=17A303989
• Triangle read by rows: denominators of c_{n,k}, n >= 0, k = 0..n, used in the proof that Zeta(3) is irrational.at n=18A303989
• Triangle read by rows: T(n,k) is the number of chiral pairs of color loops of length n with exactly k different colors.at n=52A305541
• T(n,k) is the number of non-equivalent distinguishing colorings of the cycle on n vertices with exactly k colors (k>=1). Regular triangle read by rows, n >= 1, 1 <= k <= n.at n=52A309651
• a(n) = Product_{i=1..n, j=1..n} (1 + i + j).at n=3A324444
• Number of symmetric n X n 01-matrices with maximum number of 1s and no 2 X 2 all-1 submatrix.at n=10A352801