77571

Appears in sequences

• Numbers n such that n | 9^n + 8^n + 7^n + 6^n + 5^n + 4^n.at n=41A057260
• Expansion of b(q^3)b(q^2)^2/(b(q)b(q^6)^2) in powers of q where b(q) is a cubic AGM function.at n=55A122831
• Irregular triangle read by rows giving the denominators of the coefficients of the Eisenstein series G_{2*n} multiplied by 2*n-1, for n >= 2. Also Laurent coefficients of Weierstrass's P function.at n=17A274343
• Number of nX4 0..1 arrays with every element unequal to 0, 1, 2, 3 or 8 king-move adjacent elements, with upper left element zero.at n=11A305226
• Numbers k such that sigma(k) = psi(k) + tau(k)^3.at n=25A390297