Deficient numbers k such that k-s(k)-s(k-s(k)) = s(s(k))-s(k) or s(k-s(k))-k+s(k) = s(k)-s(s(k)).

A037139

Deficient numbers k such that k-s(k)-s(k-s(k)) = s(s(k))-s(k) or s(k-s(k))-k+s(k) = s(k)-s(s(k)).

Terms

    a(0) =123a(1) =285a(2) =734a(3) =1437a(4) =2733a(5) =926875a(6) =2122173a(7) =21466939a(8) =797141342

External references