363737712

Appears in sequences

• Theta series of D_13 lattice.at n=13A022044
• Number of ways of writing n as a sum of 13 squares.at n=26A276285
• a(n) = [x^n] (theta_3(x^(1/2))^n + theta_4(x^(1/2))^n)/2, where theta_3() and theta_4() are the Jacobi theta functions.at n=13A303333