A084053 - OEIS

%I #9 Aug 21 2014 14:46:00

%S 1,1,2,2,2,3,3,0,0,0,1,1,2,2,2,3,3,0,0,0,1,1,1,1,1,3,3,1,1,1,3,3,1,1,

%T 1,3,3,1,1,1,3,3,1,1,1,3,3,2,2,2,0,0,2,2,2,0,0,2,2,2,0,0,2,2,2,0,0,2,

%U 2,2,0,0,3,3,3,1,1,3,3,3,1,1,3,3,3,1,1,3,3,3,1,1,3,3,3,1,1,0,0,0,2,2,0,0,0

%N 4*n digit-reversed mod 4.

%e a(23) =1 as, 23*4 = 92,digit-reversed = 29 ==1 (mod 4)

%t Mod[#,4]&/@(FromDigits[Reverse[IntegerDigits[#]]]&/@ (4Range[3,110])) (* _Harvey P. Dale_, Sep 30 2011 *)

%Y Cf. A084052, A084054, A084055, A084339, A084340, A084341.

%K base,easy,nonn

%O 3,3

%A _Amarnath Murthy_ and Meenakshi Srikanth (menakan_s(AT)yahoo.com), May 26 2003

%E More terms from _Ray Chandler_, May 27 2003