82692

Appears in sequences

• Column 2 of triangle A136467 (scaled): a(n) = A136467(n+2,2)/4^n.at n=4A136469
• Record differences for n^2 - phi(n)*sigma(n).at n=43A164876
• a(n) = n*(15*n^2 - 15*n + 4).at n=18A272134