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Add 12, 3, 45, 67, 89 (note the difference sequence uses each digit once). Start with 1 for no particular reason; would seem more natural to start with 0.
1

%I #4 Mar 30 2012 17:36:53

%S 1,13,16,61,128,217

%N Add 12, 3, 45, 67, 89 (note the difference sequence uses each digit once). Start with 1 for no particular reason; would seem more natural to start with 0.

%H Creative Thinking Puzzles, <a href="http://ahapuzzles.com/creative_thinking_puzzles.pdfl">A puzzle</a>.

%e Start with 1, add 12, 3, 45, 67, 89.

%Y Cf. A107082 for a generalization.

%K base,dumb,fini,full,nonn

%O 0,2

%A _Joshua Zucker_, May 11 2005