**Exchange rightmost two ternary digits of n>1; a(0)=0, a(1)=3.**

*0, 3, 6, 1, 4, 7, 2, 5, 8, 9, 12, 15, 10, 13, 16, 11, 14, 17, 18, 21, 24, 19, 22, 25, 20, 23*

*4 seqfan posts*

*Tue Oct 12 20:47:53 CEST 2010* [seqfan] Re: Exchange rightmost two base-4 digits of n>1; a(0)=0, a(1)=4. (base 4 analogue of what A181099 is in base 3, and A080412 is base 2

*Tue Oct 12 19:02:10 CEST 2010* [seqfan] Re: Exchange rightmost two base-4 digits of n>1; a(0)=0, a(1)=4. (base 4 analogue of what A181099 is in base 3, and A080412 is base 2

*Tue Oct 12 16:47:36 CEST 2010* [seqfan] Re: Exchange rightmost two base-4 digits of n>1; a(0)=0, a(1)=4. (base 4 analogue of what A181099 is in base 3, and A080412 is base 2

*Mon Oct 11 09:02:31 CEST 2010* [seqfan] Exchange rightmost two base-4 digits of n>1; a(0)=0, a(1)=4. (base 4 analogue of what A181099 is in base 3, and A080412 is base 2

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