-15625

Appears in sequences

• Coefficient of x^n in (Product_{m=1..n}(1-x^m))^n.at n=14A008705
• Expansion of Product_{k>=1} (1 - x^k)^14.at n=14A010821
• Triangle read by rows. T(n, m) are the coefficients of Sidi polynomials.at n=19A075513
• Expansion of 1/sqrt(1 - 2*x + 5*x^2).at n=14A098331
• Expansion of f(-q)^2*R(q) in powers of q.at n=2A122267
• Triangle, T(n, k) = k^6 - n^6 - 5*(n*k)^2*(n^2 - k^2) + 4*n*k*((n*k)^4 - 1), read by rows.at n=15A123964
• Triangle T(n,k) read by rows: T(n,n) = -1, T(n,0) = 5^(n - 1), T(n,k) = -5^(n - k - 1), 1 <= k <= n - 1.at n=37A152572
• Triangle T(n,k) read by rows: T(n,n) = -1, T(n,0) = 5^(n - 1), T(n,k) = -5^(n - k - 1), 1 <= k <= n - 1.at n=47A152572
• Triangle read by rows: vector recursion: s=5; v(n)={s^(n+1),s^(n+1)-Sum[s^i,{i,2,n}],s^n,...,-1}/s^2.at n=38A152862
• a(n) = a(n-1)^2 - n^(n+1).at n=5A193637
• Product of all divisors of n, positive or negative.at n=24A217854
• Bisection of A008705.at n=7A262309
• a(n) = the numerator of ( Sum_{k = 1..n} (-1)^(n+k)*(1/k^3)*binomial(n,k)* binomial(n+k,k)^2 ).at n=4A357561