8388480

Appears in sequences

• Number of Barlow packings with group P63/mmc(S) that repeat after 4n layers.at n=23A011946
• Largest solution of phi(x) = 2^n.at n=21A058215
• List of codewords in binary lexicode with Hamming distance 15 written as decimal numbers.at n=3A075961
• Numbers n such that sigma(uphi(n)) = n where uphi is the unitary totient (or unitary phi) function (see A047994).at n=36A120116
• a(n) = 10*a(n-1) - 16*a(n-2), with a(0) = 0 and a(1) = 3.at n=8A120689
• Duplicate of A011946.at n=23A195095
• Numbers k such that 2*k^2 - 1 divides 2^k - 1.at n=2A247205
• a(n) = 2^n - A285103(n).at n=23A285104
• (2,6)-imperfect numbers.at n=34A365470