3650401

Appears in sequences

• a(0) = 1, a(1) = 2, a(n) = 4*a(n-1) - a(n-2).at n=12A001075
• Related to Bernoulli numbers.at n=12A002316
• Related to Genocchi numbers.at n=11A002317
• a(2*n) = a(2*n-1) + a(2*n-2), a(2*n+1) = 2*a(2*n) + a(2*n-1); a(0) = a(1) = 1.at n=24A002531
• a(n) = (1 + a(n-1)*a(n-2))/a(n-3), a(0) = a(1) = a(2) = 1.at n=25A005246
• Numbers k such that any group of k consecutive integers has integral standard deviation (viz. A011944(k)).at n=6A011943
• Numerators of continued fraction convergents to sqrt(12).at n=11A041016
• Numerators of continued fraction convergents to sqrt(27).at n=7A041042
• Numerators of continued fraction convergents to sqrt(48).at n=11A041082
• Numerators of continued fraction convergents to sqrt(75).at n=15A041132
• Numerators of continued fraction convergents to sqrt(108).at n=15A041194
• Numerators of continued fraction convergents to sqrt(147).at n=5A041268
• Numerators of continued fraction convergents to sqrt(192).at n=11A041356
• Numerators of continued fraction convergents to sqrt(300).at n=7A041564
• Numerators of continued fraction convergents to sqrt(432).at n=15A041822
• Numerators of continued fraction convergents to sqrt(507).at n=11A041968
• Numerators of continued fraction convergents to sqrt(588).at n=5A042126
• Numerators of continued fraction convergents to sqrt(675).at n=7A042298
• Numbers k such that k^2-1 and k^2 are consecutive powerful numbers.at n=16A060860
• Numbers n such that the Diophantine equation (x+2)^3-x^3=2*n^2 has solutions.at n=6A102344