5760000

Appears in sequences

• Numbers k such that k is a square and remains a square when its leading digit is increased by one.at n=9A067225
• a(n) = Sum_{r < n, gcd(r,n)=1} n!/r.at n=9A110376
• Lexicographically earliest subsequence of the perfect powers in A001597 such that first differences are an increasing sequence of primes.at n=21A137354
• a(n) = sum_(d|n) ((product_(d|n) d) / d).at n=39A220846
• Number of (n+1) X (4+1) arrays of permutations of 0..n*5+4 with each element having index change +-(.,.) 0,0 1,2 or 2,-2.at n=5A264056
• T(n,k)=Number of (n+1)X(k+1) arrays of permutations of 0..(n+1)*(k+1)-1 with each element having index change +-(.,.) 0,0 1,2 or 2,-2.at n=41A264059
• Number of (6+1)X(n+1) arrays of permutations of 0..n*7+6 with each element having index change +-(.,.) 0,0 1,2 or 2,-2.at n=3A264063
• Numbers k such that sigma(k) - 3k is prime.at n=28A306492
• Powers k^m, m > 1, where k is neither squarefree nor squareful, and has a primorial kernel but is not a product of primorials.at n=31A389682