175305

Appears in sequences

• Numbers k such that sigma(k) = 4*phi(k).at n=26A068390
• Numbers k such that k, 2*k and 4*k are balanced numbers (A020492).at n=29A076376
• Numbers k such that k, 2*k, 4*k and 8*k are balanced numbers (A020492).at n=10A076377
• Number of (w,x,y,z) with all terms in {1,...,n} and w <= x > y <= z.at n=30A212246