%I #9 Jul 04 2019 19:42:33
%S 0,0,1,1,2,2,4,6,6,6,12,12,12,15,20,20,24,24,30,35,35,35,48,48,48,54,
%T 63,63,70,70,80,88,88,88,108,108,108,117,130,130,140,140,154,165,165,
%U 165,192,192,192,204,221,221,234,234,252,266,266,266,300,300,300,315
%N a(n) = ceiling(n/3)*round(n/4).
%o (PARI) j=[]; for(n=0,150,j=concat(j,ceil(n/3)*round(n/4))); j
%K nonn
%O 0,5
%A _Jason Earls_, Jul 14 2001
|