295294

Appears in sequences

• a(n) = T(2n,n-2), T given by A026670.at n=8A026673
• Pairs (x, y), x < y, of f-amicable numbers where f(k) = floor(|k*sin(k)|) sorted by increasing y, then increasing x; f-amicable numbers are defined in A066511.at n=23A066573