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Triangle read by rows giving number of pure shifted complexes in k dimensions on n nodes (n >= 1, 0 <= d <= n-1).
0

%I #3 Mar 30 2012 16:50:11

%S 1,1,1,1,2,1,1,4,3,1,1,8,11,4,1,1,16,50,26,5,1

%N Triangle read by rows giving number of pure shifted complexes in k dimensions on n nodes (n >= 1, 0 <= d <= n-1).

%D C. Klivans, Obstructions to shiftedness, Discrete Comput. Geom., 33 (2005), 535-545.

%e Triangle begins:

%e 1

%e 1 1

%e 1 2 1

%e 1 4 3 1

%e 1 8 11 4 1

%e 1 16 50 26 5 1

%K nonn,tabl

%O 1,5

%A _N. J. A. Sloane_, Mar 23 2005