Pythagorean spiral: a(n-1), a(n)-1 and a(n) are sides of a right triangle.
A053630
Pythagorean spiral: a(n-1), a(n)-1 and a(n) are sides of a right triangle.
Terms
- a(0) =3a(1) =5a(2) =13a(3) =85a(4) =3613a(5) =6526885
External references
- oeis: A053630