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%I #7 Dec 15 2017 17:34:54
%S 12,1,11,2,10,3,9,4,8,5,7,6,6,7,5,8,4,9,3,10,2,11,1,12,12,1,11,2,10,3,
%T 9,4,8,5,7,6,6,7,5,8,4,9,3,10,2,11,1,12,12,1,11,2,10,3,9,4,8,5,7,6,6,
%U 7,5,8,4,9,3,10,2,11,1,12,12,1,11,2,10,3,9,4,8,5,7,6,6,7,5,8,4,9,3,10,2
%N Alternating clock-face numbers.
%C Has period 24: a(n+24)=a(n).
%F If you start with 12 on a clock's face and move forward 1 it yields the number 1, then moving backward 2 yields 11, then moving forward 3 yields 2, moving backward 4 yields 10 and so forth.
%K nonn,easy
%O 0,1
%A _Jason Earls_, Feb 26 2001
%E More terms from _Henry Bottomley_, Feb 28 2001
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