A019270 A self-descriptive sequence: positions of vowels in "one, three, seven,...".

1, 3, 7, 8, 10, 12, 14, 15, 20, 24, 27, 29, 30, 33, 34, 37, 40, 41, 45, 51, 56, 57, 61, 66, 68, 72, 77, 79, 82, 88, 95, 96, 99, 104, 105, 109, 114, 116, 119, 124, 128, 130, 132, 137, 139, 141, 145, 147, 149, 154, 157, 162, 164, 167, 171, 173, 175, 180