-2580

Appears in sequences

• Product_{k>=1} (1+x^k)^a(k) = 1 + 5x.at n=5A038070
• a(n) = -n^2 - n + 72.at n=51A110678
• The n-th term of the n-th Dirichlet self-convolution equals n^2.at n=29A163591
• Start with 2, then successively subtract the primes 3, 5, 7, ...at n=36A282329
• G.f.: Sum_{n>=0} x^n * (x^(n+1) + i)^n / (1 + i*x^(n+1))^(n+1).at n=34A324300
• Fourier coefficients of the modular form (1/t_{6a}^3) * (1-12*sqrt(-3) / t_{6a})^(1/6) * F_{6a}^10.at n=11A341566