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Discussion of Problem 1017. Staircases

how to solve this ??????????????
Posted by Dulat_KBTU 20 Feb 2006 12:58
Re: how to solve this ??????????????
Posted by BiTOk[PermSU] 1 May 2009 17:54
The sequence is http://www.research.att.com/~njas/sequences/A111133 ;)
Re: how to solve this ??????????????
Posted by thefourtheye 22 Jun 2013 21:49
I dont think so.

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