25267

Appears in sequences

• Denominators of continued fraction convergents to sqrt(513).at n=10A041981
• Composite k such that the primorial inflation of k is a sum of distinct primorial numbers.at n=24A351959
• 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=9A358399
• Triangle read by rows: Coefficients of the polynomials L(n, x) * EZ(n, x), where L denote the unsigned Lah polynomials and EZ the Eulerian zig-zag polynomials A205497.at n=47A373426