29393280

Appears in sequences

• a(n) = n^2 * n!.at n=9A002775
• Denominators of coefficients in function a(x) such that a(a(a(x))) = sin x.at n=4A052135
• Denominators of coefficients in function a(x) such that a(a(a(x))) = log (1+x).at n=7A052139
• Denominators of Maclaurin series coefficients for 2*cos(x/sqrt(3) + arctan(-sqrt(3))) = cos(x/sqrt(3)) + sqrt(3)*sin(x/sqrt(3)).at n=9A059944
• Denominator of I(n)=integral_{x=0 to 1/n}(x^2-1)^3 dx.at n=5A094075
• Triangular sequence of coefficients of p(x,t) = t*exp(3*x*t - t^2)/(exp(t) - 1).at n=27A137784
• a(n) = 3^n*(n + 2)!.at n=6A153647
• Array read by antidiagonals: T(n,k) = (k+1)^n*(n+k)!.at n=38A154120
• Number of permutations of 1..n with i-10<=p(i)<=i+8.at n=10A179368
• Determinant of the n X n matrix m_(i,j) = gcd(2^i-1, 2^j-1).at n=6A187748
• Array: row n shows the coefficients of the characteristic polynomial of the n-th principal submatrix of f(i,j) = gcd(2^i-1, 2^j-1) (A204116).at n=27A204117
• Triangular array read by rows: T(n,k) is the number of functions f:{1,2,...,n} -> {1,2,...,n} that have exactly k nonrecurrent elements; n>=1, 0<=k<=n-1.at n=39A219694