98117

Appears in sequences

• a(n) = n^4 - (n+1)^3.at n=18A178617
• Numbers n such that n'' = n'+1 where n' and n'' are respectively the first and the second arithmetic derivative of n (A003415).at n=21A189639
• Numbers k for which sigma(k) = k + k'', where k'' is the second derivative of k (A068346).at n=22A348426