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A084053
4*n digit-reversed mod 4.
6
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, 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, 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
OFFSET
3,3
EXAMPLE
a(23) =1 as, 23*4 = 92,digit-reversed = 29 ==1 (mod 4)
MATHEMATICA
Mod[#, 4]&/@(FromDigits[Reverse[IntegerDigits[#]]]&/@ (4Range[3, 110])) (* Harvey P. Dale, Sep 30 2011 *)
CROSSREFS
KEYWORD
base,easy,nonn
AUTHOR
Amarnath Murthy and Meenakshi Srikanth (menakan_s(AT)yahoo.com), May 26 2003
EXTENSIONS
More terms from Ray Chandler, May 27 2003
STATUS
approved