49027

Appears in sequences

• Smaller of Smith brothers.at n=22A050219
• Semiprime terms in A136047.at n=15A136048
• a(n) = (1+n)*(9 + 11*n + 4*n^2)/3.at n=32A172482
• Number of times an evil number is encountered when iterating from 2^(n+1)-2 to (2^n)-2 with the map x -> x - (number of runs in binary representation of x).at n=20A255063