182115

Appears in sequences

• Numerators of continued fraction convergents to sqrt(7).at n=17A041008
• Solve 2^n - 2 = 7(x^2 - x) + (y^2 - y) for (x,y) with x>0, y>0; sequence gives value of x.at n=37A076632
• Expansion of 1/(1-3*x-3*x^2-3*x^3).at n=9A077828
• Expansion of (1-x) / (1+x^2+2*x^3).at n=36A078033
• a(n+3) = 2a(n+2) - 3a(n+1) + 2a(n); a(0) = 1, a(1) = 1, a(2) = 0.at n=37A105578
• Numbers such that floor(a(n)^2 / 7) is a square.at n=15A204516
• Numerators of the other-side convergents to sqrt(7).at n=16A259597
• x-values of solutions to the Diophantine equation x^2 - 7*y^2 = 2.at n=4A266698