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The left-hand half-triangle of A202704.
1

%I #6 Mar 30 2012 16:52:08

%S 0,0,0,1,1,1,3,2,1,0,17,20,22,23,23,105,88,68,46,23,0

%N The left-hand half-triangle of A202704.

%e Triangle begins:

%e 0

%e 0 0

%e 1 1 1

%e 3 2 1 0

%e 17 20 22 23 23

%e 105 88 68 46 23 0

%Y Cf. A202704, A202819.

%K nonn,tabl,more

%O 1,7

%A _N. J. A. Sloane_, Dec 25 2011