cp's OEIS Frontend

A112738 On the standard 33-hole cross-shaped peg solitaire board, the number of distinct board positions after n jumps that can still be reduced to one peg at the center (starting with the center vacant).

%I A112738 #6 Dec 11 2013 07:21:20
%S A112738 1,1,2,8,38,164,635,2089,6174,16020,35749,68326,112788,162319,204992,
%T A112738 230230,230230,204992,162319,112788,68326,35749,16020,6174,2089,635,
%U A112738 164,38,8,2,1,1,0
%N A112738 On the standard 33-hole cross-shaped peg solitaire board, the number of distinct board positions after n jumps that can still be reduced to one peg at the center (starting with the center vacant).
%C A112738 The reason the sequence is palindromic is because playing the game backward is the same as playing it forward, with the notions of "hole" and "peg" interchanged.
%H A112738 George I. Bell, <a href="http://home.comcast.net/~gibell/pegsolitaire/">English Peg Solitaire</a>
%H A112738 Bill Butler, <a href="http://www.durangobill.com/Peg33.html">Durango Bill's 33-hole Peg Solitaire</a>
%F A112738 Satisfies a(n)=a(31-n) for 0<=n<=31 (sequence is a palindrome).
%e A112738 There are four possible first jumps, but they all lead to the same board position (rotationally equivalent), thus a(1)=1.
%Y A112738 Cf. A014225, A014227, A112737.
%K A112738 full,nonn,fini
%O A112738 0,3
%A A112738 George Bell (gibell(AT)comcast.net), Sep 16 2005