Answer
Multiples of 1818 are:
1818, 3636, 5454, 7272, 9090, 10908, 12726, 14544, 16362, 18180, 19998, 21816, 23634, 25452, 27270, 29088, 30906, 32724, 34542, 36360, 38178, 39996, 41814, 43632, 45450, 47268, 49086, 50904, 52722, 54540, 56358, 58176, 59994, 61812, 63630, 65448, 67266, 69084, 70902, 72720, 74538, 76356, 78174, 79992, 81810, 83628, 85446, 87264, 89082
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