95237domain: NAppears in sequencesExpansion of 1/(1-x-x^4-x^6).at n=32A120446Numbers n such that n'' = n'+1 where n' and n'' are respectively the first and the second arithmetic derivative of n (A003415).at n=20A189639Numbers k for which sigma(k) = k + k'', where k'' is the second derivative of k (A068346).at n=21A348426