56372

Appears in sequences

• Number of triples {i,j,k}, i>1, j>1, k>1, such that i*j*k < n^3.at n=21A037092
• Expansion of (1-x)/(1-2*x-3*x^2-3*x^3).at n=10A077840
• Triangle T(n,r), read by rows, where the r-th column is expansion of A(x)^r, with A(x) = x * (x+1) * (2*x^4+4*x^3-2*x+1) * (x^4+2*x^3-x+1) / (x^2+x-1)^6.at n=38A187055
• Number of solutions to n = Sum_{i=1..pi(n-1)} c(i)*p(i) with c(i) in {-1,0,1}, p(n) = n-th prime and pi = A000720.at n=50A215222
• Numbers n such that the n-th prime equals the n-th Ramanujan prime of the totient of n.at n=11A267012
• Numbers that are equal to the sum of the number of divisors of their k first powers, for some k.at n=26A270389