12207031250
domain: N
Appears in sequences
- Expansion of (1-3*x)/(1-5*x).at n=15A020699
- Pisot sequences E(2,10), L(2,10), P(2,10), T(2,10).at n=14A020729
- a(n) = 5*a(n-2), starting 1,2.at n=29A026383
- a(n) = 5*a(n-2), starting 1,2,4.at n=29A026395
- Numbers n such that n-th Pisano number = 6*n.at n=14A095687
- a(n) = 5*a(n-2) for n > 2; a(1) = 2, a(2) = 5.at n=28A162963
- Least number k such that k^3 is the sum of two nonzero squares in exactly n ways.at n=21A273238
- Hypotenuses for which there exist exactly 14 distinct integer triangles.at n=1A290502