73808
domain: N
Appears in sequences
- Terminating decimals of length n of form p/5^q using at most one of each nonzero digit.at n=12A027905
- Number of self-avoiding walks on the truncated square tiling with n steps.at n=17A249565
- Triangle T(n,k) defined by Sum_{k=1..n} T(n,k)*u^k*x^n/n! = Product_{j>0} (1-x^j)^(-u/j).at n=30A338805
- a(n) = (n!/6) * Sum_{i,j,k > 0 and i+j+k=n} d(i)*d(j)*d(k)/(i*j*k), where d(n) is the number of divisors of n.at n=7A338811
- Numbers that are the sum of four third powers in ten or more ways.at n=21A345155
- G.f. A(x) satisfies: 1 - x = Sum_{n>=0} (x^(5*n) + (-1)^n*A(x))^n.at n=30A352821