833280

Appears in sequences

• Size of largest conjugacy class in the group GL(n,2).at n=4A070731
• A062402(x)=sigma(phi[x]) function is iterated; initial value=2^n; a(n)=largest term of trajectory.at n=16A097001
• Average of amicable pairs (x,y), ordered by the smaller value x given in A002025.at n=37A275315
• Average of amicable pairs (x,y), ordered by the sum x+y given in A259953.at n=37A275316
• Numbers m such that the equation m = k*sigma(k) has more than one solution.at n=22A337873
• Irregular triangular array read by rows. T(n,k) is the number of matrices in GL_n(F_2) having order k, 1<=k<=2^n-1, n>=1.at n=37A346743
• Numbers k such that A051378(k) > 2*k and A333926(k) <= 2*k.at n=13A349284
• Matrix inverse of triangle A296548, read by rows.at n=25A373396