A115237 - OEIS

%I #3 Mar 30 2012 17:37:16

%S 1,2,1,4,4,1,6,8,4,1,9,14,10,4,1,12,20,18,10,4,1,16,28,29,20,10,4,1,

%T 20,36,41,33,20,10,4,1,25,46,56,50,35,20,10,4,1,30,56,71,69,54,35,20,

%U 10,4,1,36,68,89,92,78,56,35,20,10,4,1,42,80,107,116,105,82,56,35,20,10,4,1

%N Matrix square of triangle A003983.

%e 1; 2,1; 4,4,1; 6,8,4,1; 9,14,10,4,1; ...

%Y Column 0: A002620(n+2). Row sums: A115238. Convergent of columns: A000292.

%K nonn,tabl

%O 0,2

%A _Christian G. Bower_, Jan 17 2006