548760

Appears in sequences

• Least k such that the least factor of k^Phi(k) -1 is the n-th prime.at n=16A066732
• Number of (n+1) X 2 0..2 arrays with column and row pair sums b(i,j)=a(i,j)+a(i,j-1) and c(i,j)=a(i,j)+a(i-1,j) such that rows of b(i,j) and columns of c(i,j) are lexicographically nondecreasing.at n=8A203958