106700

Appears in sequences

• Positive numbers k such that k and 7*k are anagrams in base 8 (written in base 8).at n=15A023078
• a(n) = Sum_{k<=n} A007955(k) * A000027(n-k+1) = Sum_{k<=n} A007955(k) * (n-k+1), where A007955(m) = product of divisors of m.at n=22A174934
• Number of strings of numbers x(i=1..7) in 0..n with sum i^3*x(i)^2 equal to 343*n^2.at n=32A184308
• For 1<=x<=n, 1<=y<=n, write gcd(x,y) = u*x+v*y with u,v minimal; a(n) = n^4*s, where s is the population variance of the values of |u|.at n=14A345689
• Numbers x such that there exist three integers 0<x<=y<=z and t>0 such that sigma(x)^2 = sigma(y)^2 = sigma(z)^2 = x^2 + y^2 + z^2 + t^2.at n=37A385531