%I M2199
%S 0,0,0,0,0,0,0,0,1,0,3,0,6,0,10,0,15,1,21,4,28,10,36,20,45,35,56,56,
%T 71,84,93,120,126,165,175,221,246,292,346,385,483,511,666,686,906,932,
%U 1218,1278,1624,1761,2157,2427,2866,3333,3822,4551
%N Number of strict 7thorder maximal independent sets in path graph.
%D N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
%D R. Yanco and A. Bagchi, "Kth order maximal independent sets in path and cycle graphs", J. Graph Theory, submitted, 1994, apparently unpublished.
%H R. Yanco, <a href="/A007380/a007380.pdf">Letter and Email to N. J. A. Sloane, 1994</a>
%F Apparently, g.f. = x^9/((x^9+x^21)*(x1)^2*(1+x)^2) with recurrence a(n)= 3*a(n2)  3*a(n4) + a(n6) + a(n9)  2*a(n11) + a(n13).  _R. J. Mathar_, Oct 30 2009
%F a(n) = A007381(n)  b(n) where b(2*n+1) = 1 and b(2*n) = n+1.  _Sean A. Irvine_, Jan 02 2018
%Y Cf. A007381.
%K nonn
%O 1,11
%A _N. J. A. Sloane_, _Mira Bernstein_
%E More terms from _Sean A. Irvine_, Jan 02 2018
