[1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19, 21,42,63,84,105,126,147,168,189,210,231,252,273, 294,315,336,357,378,399,401,402,403,404,405,406, 407,408,409,410,411,412,413,414,415,416,417,418, 419,421]