%I M1746 #17 Sep 26 2017 02:51:02
%S 1,2,7,17,49,134,368,1017,2806,7743,21374,59015,162942,449916,1242352,
%T 3430578,9473170,26159353,72237232,199478805,550850090,1521145442,
%U 4200572421,11599692758,32032045540,88455119858,244265061492,674527681575
%N Number of irreducible positions of size n in Montreal solitaire.
%D N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
%H C. Cannings, J. Haigh, <a href="https://doi.org/10.1016/0097-3165(92)90037-U">Montreal solitaire</a>, J. Combin. Theory Ser. A 60 (1992), no. 1, 50-66.
%Y Cf. A007046, A007048, A007050, A007075, A007076.
%K nonn
%O 3,2
%A _N. J. A. Sloane_, _Mira Bernstein_
%E More terms from _Sean A. Irvine_, Sep 25 2017
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