72961

Appears in sequences

• Numerators of continued fraction convergents to sqrt(570).at n=7A042092
• Numbers k such that k | sigma_3(k) - phi(k)^3.at n=27A055697
• a(n)=5a(n-2)+2a(n-3).at n=14A112685
• a(n) = 128*n^2 - 32*n + 1.at n=23A157331
• a(n) = 128*n^2 + 2528*n + 12481.at n=13A157436
• a(n) = 2048*n^2 - 128*n + 1.at n=5A157448
• E.g.f. satisfies A(x) = exp( x*A(x)^2/(1 - x * A(x)^3) ).at n=5A365014
• Sum of the legs of the unique primitive Pythagorean triple whose inradius is A000217(n) and such that its long leg and its hypotenuse are consecutive natural numbers.at n=19A383834