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cheesehead · 2005-03-31, 09:57

See the similar sequence A002326, "Number of riffle shuffles of 2n+2 cards required to return a deck to initial state", in the OEIS at http://www.research.att.com/cgi-bin/...i?Anum=A002326

A002326 starts with a first term of 0 instead of 1 as your sequence begins.

2005-03-31, 09:57	#2
cheesehead "Richard B. Woods" Aug 2002 Wisconsin USA 2²×3×641 Posts	See the similar sequence A002326, "Number of riffle shuffles of 2n+2 cards required to return a deck to initial state", in the OEIS at http://www.research.att.com/cgi-bin/...i?Anum=A002326 A002326 starts with a first term of 0 instead of 1 as your sequence begins. Last fiddled with by cheesehead on 2005-03-31 at 10:01