216960

Appears in sequences

• Average theta series of odd unimodular lattices of dimension 9 (multiplied by 17).at n=7A029811
• a(n) is such that A145521(n) = A053810(a(n)).at n=21A145522
• Square root of A003462, rounded up.at n=22A160393
• Expansion of x*(1 - x - x^3)/((1 - x)*(1 - 2*x - 3*x^2 - 2*x^3 - x^4)).at n=12A274203
• Coefficients of q-expansion of Eisenstein series G_{9/2}(tau) multiplied by 240.at n=28A306936