514088

Appears in sequences

• a(n) = 16*a(n-1) - a(n-2).at n=5A001081
• a(n) = 5th Chebyshev polynomial (first kind) evaluated at 2^n.at n=3A020539
• Numerators of continued fraction convergents to sqrt(7).at n=19A041008
• Numerators of continued fraction convergents to sqrt(63).at n=9A041110
• Numbers such that floor(a(n)^2 / 7) is a square.at n=16A204516
• a(n) = 16*n^5 - 20*n^3 + 5*n.at n=8A243131
• Numerators of the other-side convergents to sqrt(7).at n=18A259597