97440

Appears in sequences

• Smallest number x such that sum of divisors of x is n!.at n=6A055488
• Saint-Exupéry numbers: ordered products of the three sides of Pythagorean triangles.at n=27A057096
• Denominators of expansion of 1/x+1/log(1-x).at n=27A075178
• Area of the Pythagorean triangle a = u^2 - v^2 (cf. A096382) when u=3, v=4,4,5,...at n=28A096383
• Expansion of x*(-1+2*x-3*x^3+x^4)/((x^3+x^2+x-1) * (x-1)^2).at n=19A121986
• a(n) is smallest number with divisors which are congruent to 1, 2, ..., n-1 mod n.at n=34A140539
• Numbers with prime factorization pqrst^5.at n=8A190383
• Numbers other than prime powers divisible by the sum of the squares of their prime divisors.at n=5A190882
• Number of admissible 2-dimensional lattice patterns of type Sigma(2,3,5).at n=16A220843
• Triangle read by rows: T(m,n) = number of ways of distributing n distinguishable balls into m distinguishable bins of size 3 where empty bins are permitted (m >= 1, 1 <= n <= 3m).at n=26A248845
• Triangular array read by rows: row n gives the coefficients of the polynomial p(n,x) defined in Comments.at n=47A249074
• Imaginary part of (n + i)^4.at n=29A272871
• a(n) is the least positive number whose divisors have all possible residues mod n.at n=34A280171
• E.g.f.: Product_{m>0} (1 + x^(2*m-1) + x^(4*m-2)/2! + x^(6*m-3)/3!).at n=8A293489
• Record values in A216476.at n=28A306564
• a(n) = product of nonzero entries in row n of A235791.at n=28A339577
• a(n) = Sum_{x_1+x_2+x_3+x_4=n, 0 <= x_1, x_2, x_3, x_4 <= n} (3*n)!/((n-x_1)! * (n-x_2)! * (n-x_3)! * (n-x_4)!).at n=3A348700
• Number of ways to place two dimers on an n-cube.at n=6A360786