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The eban numbers ("e" is "banned") are the sequence of numbers whose names do not contain the letter "e" (in English).
2, 4, 6, 30, 32, 34, 36, 40, 42, 44, 46, 50, 52, 54, 56, 60, 62, 64, 66, 2000, 2002, 2004, 2006, 2030, 2032, 2034...