209064253
domain: N
Appears in sequences
- Numerators of continued fraction convergents to sqrt(162).at n=17A041298
- Generalized Pellian with second term equal to 5.at n=21A048655
- Numbers k such that (k^2 - 7)/2 is a square.at n=21A077443
- Expansion of g.f.: (5 - 3*x)/(1 - 6*x + x^2).at n=10A101386
- Shifted Pell recurrence: a(n) = 2*a(n-2) + a(n-4).at n=42A135246