274658203125
domain: N
Appears in sequences
- Reciprocal of n terminates with an infinite repetition of digit 8. Multiples of 10 are omitted.at n=8A064567
- Number of nX3 array permutations with each element not moved or moved diagonally or antidiagonally by one.at n=16A189274
- Expansion of g.f. (1+4*x)/(1-5*x).at n=16A270567
- Hypotenuses for which there exist exactly 15 distinct integer triangles.at n=7A290503