109170

Appears in sequences

• Numbers k such that k and k^2 use only the digits 0, 1, 7, 8 and 9.at n=45A136880
• Number of (w,x,y,z) with all terms in {1,...,n} and w*x>3*y*z.at n=26A211918
• The number of integers in the set f^n({0}), where f is a variant of the Collatz function that replaces any element x in the argument set with both x/2 and 3*x+1.at n=29A362757