32874

Appears in sequences

• Expansion of g.f. (1 - 4*x + 6*x^2 - 2*x^3)/((1-x)^3*(1-2*x)^2).at n=11A048503
• T(n,n), array T as in A054098.at n=9A054100
• Numbers n such that if n = a U b (where U denotes concatenation) then abs(sigma*(a) - sigma*(b)) = abs(sigma*(n) - n), where sigma*(n) is the sum of the anti-divisors of n.at n=12A239687
• a(n) is the number of reducible monic quartic polynomials (x^4 + r*x^3 + s*x^2 + t*x + u) with integer coefficients bounded by naïve height n (abs(r), abs(s), abs(t), abs(u) <= n).at n=10A358399