439453125

Appears in sequences

• Reciprocal of n terminates with an infinite repetition of digit 5. Multiples of 10 are omitted.at n=6A064564
• Number of nX3 array permutations with each element not moved or moved diagonally or antidiagonally by one.at n=12A189274
• Expansion of g.f. (1+4*x)/(1-5*x).at n=12A270567
• Hypotenuses for which there exist exactly 11 distinct integer triangles.at n=7A290501