39948

Appears in sequences

• Numbers k such that abs(prime(k)-k*tau(k)) < sqrt(k).at n=37A068543
• Initial members of abundant quintuplets, i.e., values of k such that (k, k+2, k+4, k+6, k+8) are all abundant numbers.at n=7A108926
• Partial sums of A160410.at n=33A160799
• a(n) is the sum of the lengths of all the segments used to draw a rectangle of height 2^(n-1) and width n divided into 2^(n-1) rectangles of unit height, in turn, divided into rectangles of unit height and lengths corresponding to the parts of the compositions of n.at n=11A340228