143792

Appears in sequences

• Number of (w,x,y,z) with all terms in {1,...,n} and w<2x and y>=3z.at n=33A212511
• a(n) = practical(2^n) where practical(n) is the n-th practical number (A005153).at n=14A225316
• Numbers k such that k=(a+b)*c=a*b+c for more than one triple (a,b,c) with 1<c<a<=b.at n=9A329169