13097377

Appears in sequences

• Denominators of continued fraction convergents to sqrt(15).at n=16A041023
• a(n) = 8*a(n-1) - a(n-2), a(0)=1, a(-1)=1.at n=8A070997
• a(n)*a(n+3) - a(n+1)*a(n+2) = 3, given a(0)=a(1)=1, a(2)=4.at n=17A080871
• L(n,n), where L is defined as in A108299.at n=8A108366
• Triangle T(n, k) = (k*ChebyshevU(n, (k+2)/2) + 2*ChebyshevT(n+1, (k+2)/2))/2.at n=26A121872
• Numerators in continued fraction expansion of sqrt(3/5).at n=16A145542