1416317953
domain: N
Appears in sequences
- a(2n)=2*a(2n-2)^2-1, a(2n+1)=2*a(2n)-1, a(0)=2.at n=9A006695
- Smallest side lengths of almost-equilateral Heronian triangles (sides are consecutive positive integers, area is a nonnegative integer).at n=16A016064
- Primes occurring as lesser side of Heronian triangle (sides are consecutive integers, area and inradius are integers).at n=5A087601
- Integers with mutual residues -2.at n=5A110407
- a(n+1) = a(n)^2 + 2*a(n) - 2 and a(1) = 3.at n=4A145503
- 5 followed by A145503.at n=5A178497