OFFSET
1,1
COMMENTS
First half of the elements of A028811. - R. J. Mathar, Oct 23 2008
MATHEMATICA
Complement[Range[0, 48], PowerMod[Range[49], 2, 49]] (* Alonso del Arte, Jan 07 2020 *)
PROG
(Scala) (0 to 48).diff((1 to 49).map(n => n * n % 49)) // Alonso del Arte, Jan 07 2020
CROSSREFS
KEYWORD
nonn,fini,full,easy
AUTHOR
STATUS
approved