1218515763

Appears in sequences

• Numerators of continued fraction convergents to sqrt(722).at n=15A042390
• Generalized Pellian with second term equal to 5.at n=23A048655
• Numbers k such that (k^2 - 7)/2 is a square.at n=23A077443
• Expansion of g.f.: (5 - 3*x)/(1 - 6*x + x^2).at n=11A101386
• Shifted Pell recurrence: a(n) = 2*a(n-2) + a(n-4).at n=46A135246