58063278153
domain: N
Appears in sequences
- a(n) = 4*a(n-1) - a(n-2), with a(0) = 1, a(1) = 1.at n=20A001835
- a(n) = 4*a(n-1) - a(n-2) with a(1) = 1, a(2) = 3.at n=19A079935
- a(n) gives y-values solving the Diophantine equation 2*x^2 + (x-1)^2 = y^2 for positive x.at n=9A189356
- Diagonals of a Euclidian solid such that there exists a Pythagorean quadruple d^2=a^2+b^2+c^2 that is more cube-like than any prior value of d.at n=27A375098