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%I #5 Dec 26 2023 18:11:18
%S 1,2,1,4,0,1,6,4,0,1,10,4,2,0,1,17,8,4,2,0,1,25,12,7,2,2,0,1,38,25,9,
%T 7,2,2,0,1,57,33,19,8,5,2,2,0,1,84,57,27,16,8,5,2,2,0,1,120,81,46,22,
%U 15,6,5,2,2,0,1,174,129,68,41,19,15,6,5,2,2,0,1,243,182,107,56,36,18,13,6
%N Matrix square of triangle A091602.
%e 1; 2,1; 4,0,1; 6,4,0,1; 10,4,2,0,1; ...
%Y Cf. A091602, A091610 (row sums), A091611 (column 1).
%K nonn,tabl
%O 1,2
%A _Christian G. Bower_, Jan 23 2004