118521

Appears in sequences

• Numerators of continued fraction convergents to sqrt(31).at n=11A041050
• Three-quadrant Ferrers graphs that partition n.at n=20A059776
• One-half of the x member of the positive proper fundamental solution (x = x2(n), y = y2(n)) of the second class for the Pell equation x^2 - D(n)*y^2 = +8 for even D(n) = A264354(n).at n=4A264438