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a(n) is the number of boards in English Peg Solitaire, reached after n moves, for which no more moves are possible.
1

%I #7 Feb 22 2022 00:40:26

%S 0,0,0,0,0,0,4,0,0,0,8,4,0,28,66,40,176,302,816,2675,6890,15122,25846,

%T 33891,33051,23722,13142,4987,1295,254,28,5

%N a(n) is the number of boards in English Peg Solitaire, reached after n moves, for which no more moves are possible.

%Y Cf. A335656, A350561.

%K nonn,fini,full

%O 0,7

%A _Douglas Boffey_, Jan 28 2022