a(n) = min( x : x^3 + n^3 == 0 mod (x+n-1) ).

Terms

a(0) =1a(1) =6a(2) =17a(3) =34a(4) =57a(5) =2a(6) =121a(7) =6a(8) =23a(9) =262a(10) =321a(11) =386a(12) =55a(13) =534a(14) =617a(15) =88a(16) =3a(17) =902a(18) =61a(19) =144a(20) =77a(21) =52a(22) =9a(23) =1634a(24) =1777a(25) =1926a(26) =17a(27) =2242a(28) =2409a(29) =344