29181

Appears in sequences

• Landau's approximation to population of x^2 + y^2 <= 2^n.at n=17A000690
• Multiplicity of highest weight (or singular) vectors associated with character chi_149 of Monster module.at n=40A034537
• Numerators of continued fraction convergents to sqrt(91).at n=8A041162
• a(n) = Sum_{j=1..n} (3^j + (-2)^j).at n=8A116150