119071

Appears in sequences

• a(n) = 8*a(n-1) - a(n-2); a(0) = 1, a(1) = 4.at n=6A001091
• Numbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 15.at n=24A031693
• Numerators of continued fraction convergents to sqrt(15).at n=11A041022
• Numerators of continued fraction convergents to sqrt(60).at n=11A041104
• Numerators of continued fraction convergents to sqrt(135).at n=15A041246
• Numerators of continued fraction convergents to sqrt(240).at n=5A041448
• Numerators of continued fraction convergents to sqrt(540).at n=7A042032
• Numerators of continued fraction convergents to sqrt(735).at n=3A042414
• Numerators of continued fraction convergents to sqrt(960).at n=5A042858
• a(n)*a(n+3) - a(n+1)*a(n+2) = 3, given a(0)=a(1)=1, a(2)=4.at n=12A080871
• Number triangle associated to Chebyshev polynomials of first kind.at n=59A101124
• a(n) = ChebyshevT(3, n).at n=31A144129
• Denominators in continued fraction expansion of sqrt(3/5).at n=11A145543
• a(n) = 4802*n^2 - 196*n + 1.at n=4A157364
• a(n) = 13122*n^2 + 324*n + 1.at n=2A157506
• a(n) = 388962*n^2 - 347508*n + 77617.at n=0A157736
• a(n) = 225n^2 + 2n.at n=22A158228
• Array of (k^n + k^(-n))/2 where k = (sqrt(x^2-1) + x)^2 for integers x >= 1.at n=24A188644
• a(n) = 32*n^6 - 48*n^4 + 18*n^2 - 1.at n=4A243132
• a(n) = 32*n^3 + 48*n^2 + 18*n + 1.at n=15A322830