A084053 4*n digit-reversed mod 4.

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

Links

Table of n, a(n) for n=3..107.

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

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

Sequence in context: A131053 A219281 A125600 * A331553 A182663 A071452

Adjacent sequences: A084050 A084051 A084052 * A084054 A084055 A084056

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