OFFSET
1,1
MATHEMATICA
Complement[Range[0, 51], PowerMod[Range[52], 2, 52]] (* Alonso del Arte, Dec 26 2019 *)
PROG
(Scala) (0 to 51).diff((1 to 52).map(n => (n * n) % 52)) // Alonso del Arte, Dec 26 2019
CROSSREFS
KEYWORD
nonn,fini,full,easy
AUTHOR
STATUS
approved