44448

Appears in sequences

• a(n) = (Sum_{i=0..n-1} 1/b(i)) * LCM{b(i): i=0..n-1}, where b(i) = C(i,floor(i/2)).at n=11A025553
• Numbers having four 4's in base 10.at n=23A043508
• Period of the continued fraction for sqrt(2^n-1).at n=41A059866
• Numbers k > 1 such that, in base 5, k and k^2 contain the same digits in the same proportion.at n=14A061659
• Count of the first 10^n primes containing at least one 2's digit.at n=4A231788
• Numbers with digits 4 and 8 only.at n=31A284972
• Number of surviving (but not bifurcating) nodes at generation n in the binary tree of persistently squarefree numbers (see A293230).at n=37A293521
• Multiples of 1852.at n=24A303272
• Numbers with no 0 digit that are divisible by the sum of any two of their digits at distinct positions.at n=46A308561