[1,3,6,10,14,21,26,33,42,51,58,72,80,91,107,120,
130,150,161,178,199,215,228,255,272,290,316,338,
354,389,406,429,460,483,508,549,569,594,630,663,
685,731,754,785,833,863,888,940,969,1007,1054,
1090,1118,1175,1212,1253,1305,1342,1373,1444,1476,
1515,1577,1621]
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