77727

Appears in sequences

• Numbers having four 7's in base 10.at n=23A043520
• Hypothetical numbers of terms in general expressions for coefficients of Lovelock Lagrangians.at n=10A045900
• Coefficient of q^3 in nu(n), where nu(0)=1, nu(1)=b and, for n>=2, nu(n)=b*nu(n-1)+lambda*(1+q+q^2+...+q^(n-2))*nu(n-2) with (b,lambda)=(1,3).at n=11A074357
• Solution of the complementary equation a(n) = a(n-1) + a(n-2) + b(n-1) - 1, where a(0) = 1, a(1) = 3, b(0) = 2, b(1) = 4.at n=20A293767