OFFSET
1,1
REFERENCES
Mark A. Herkommer, Number Theory, A Programmer's Guide, McGraw-Hill, New York, 1999, page 315.
MATHEMATICA
Select[ Range[420], (Mod[ #, 36] == 0 || Mod[ #, 36] == 1 || Mod[ #, 36] == 4 || Mod[ #, 36] == 9 || Mod[ #, 36] == 16 || Mod[ #, 36] == 25) && !IntegerQ[ Sqrt[ # ]] & ]
Select[Range[450], !IntegerQ[Sqrt[#]]&&MemberQ[{0, 1, 4, 9, 16, 25}, Mod[#, 36]] &] (* Harvey P. Dale, Sep 25 2011 *)
CROSSREFS
KEYWORD
easy,nonn
AUTHOR
Robert G. Wilson v, Mar 26 2003
STATUS
approved