[0,0,0,0,1,3,6,11,18,28,40,55,73,95,121,151,186,226,272,323,380,443,513,590,674,766,866,975,1092,1218,1353,1498,1653,1818,1994,2181,2380,2590,2812,3046,3293,3553,3826]