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%I #6 Mar 30 2012 17:20:57
%S 1,4,7,49,376,886,28834,205195,190471228,326526374362,303663850108045,
%T 14055945960715098799,257290919119829489870640337,
%U 26045951636791617523077244751268466
%N Start with 1. Convert to base 3, describe it in base 3, convert to base 3.
%e 1->One 1->11->4; 4->11->Two 1's->21->7; 7->21->One 2, One 1->1211->49; etc.
%Y Cf. A005150, A001388.
%K nonn,base
%O 1,2
%A _Olivier Gérard_.
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