372889432

Appears in sequences

• Numerators of continued fraction convergents to sqrt(72).at n=10A041126
• a(n) = sqrt(2)*( (3+2*sqrt(2))^n - (3-2*sqrt(2))^n ).at n=11A081554
• a(n) = tau(n)*Pell(n), where tau(n) = A000005(n), the number of divisors of n.at n=21A204270
• Solutions y_n to the negative Pell equation y^2 = 72*x^2 - 8.at n=5A280761
• The number of unilevel points (unique points at their height) on Delannoy paths ending when x = n.at n=22A371596