68428800

Appears in sequences

• Number of permutations of an n-set containing a 7-cycle.at n=12A029574
• E.g.f.: -x^5*log(1-x).at n=12A052794
• a(n) is the number of ways that a cycle of length 2n+1 in the symmetric group S_(2n+1) can be decomposed as the product of two cycles of length 2n+1.at n=6A060593
• a(n) = floor(ratio of product and sum of first n numbers).at n=12A061370
• Coefficient triangle of polynomials used for numerator of g.f.s for column sequences of array A078739.at n=20A089276
• Denominator of Sum/Product of first n numbers.at n=12A090586
• Complexity (number of maximal spanning trees) in an unoriented simple graph with nodes {1,2,...,n} and edges {i,j} if i + j > n.at n=12A107991
• Integer values of (1*2*...*k)/(1+2+...+k) = k!/T(k) = A000142(k)/A000217(k), k>=1.at n=7A108552
• Denominators of T(n+1)/n! reduced to lowest terms, where T(n) are the triangular numbers A000217.at n=12A110561
• Rounded value of n!/(n(n+1)/2); A000142(n)/A000217(n).at n=12A126328
• Triangular sequence based on A002301 and the alternating groups a prime -adic: t(n,m)=n!/Prime[m] for n>=Prime[m].at n=35A129925
• a(1) = 0; for n > 1: a(n) = 2*(prime(n)-1)!/(prime(n)+1).at n=5A130775
• Denominator of (Sum_{k=1..n} k^3)/n!.at n=13A156034
• Denominator of Laguerre(n, -7).at n=12A160606
• Denominator of Laguerre(n, 7).at n=12A160634
• Number of permutations of 1..n with no element e[i>=2]<e[1+floor((i-2)/6)] (6-way heap).at n=13A178011
• Irregular triangle read by rows: coefficients in order of decreasing exponents of polynomials P_g(x) related to Hultman numbers.at n=35A185259
• Triangle T(n,k) read by rows: coefficients (in compressed forms) in order of decreasing exponents of polynomials p_n(t) related to Hultman numbers.at n=48A185263
• The Gauss factorial n_7!.at n=12A232983
• Numbers n such that k!/n is prime for some k.at n=33A242516