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 A346810 There are a(n) digits between a(n) and the next copy of the string a(n). This is the lexicographically earliest sequence of distinct positive terms with this property. 1
 1, 2, 10, 20, 3, 4, 7, 8, 30, 40, 107, 5, 80, 9, 6, 15, 11, 206, 19, 12, 13, 21, 111, 50, 300, 120, 131, 90, 140, 14, 210, 16, 17, 18, 25, 26, 31, 41, 29, 23, 160, 170, 180, 22, 27, 502, 51, 260, 802, 33, 1290, 24, 32, 200, 410, 270, 34, 1070, 35, 28, 37, 42, 47, 330 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS A self-describing sequence. LINKS Table of n, a(n) for n=1..64. EXAMPLE a(1) = 1; there is 1 digit between a(1) and the "1" of 10: this is the digit 2; a(2) = 2; there are 2 digits between a(2) and the "2" of 20: they are 1 and 0; a(3) = 10; there are 10 digits between a(3) and the "10" of 107: they are 2, 0, 3, 4, 7, 8, 3, 0, 4 and 0; a(4) = 20; there are 20 digits between a(4) and the "20" of 206: they are 3, 4, 7, 8, 3, 0, 4, 0, 1, 0, 7, 5, 8, 0, 9, 6, 1, 5, 1 and 1; a(5) = 3; there are 3 digits between a(5) and the "3" of 30: they are 4, 7 and 8; a(6) = 4; there are 4 digits between a(6) and the "4" of 40: they are 7, 8, 3 and 0; a(7) = 7; there are 7 digits between a(7) and the "7" of 107: they are 8, 3, 0, 4, 0, 1 and 0; etc. CROSSREFS Cf. A303151. Sequence in context: A317859 A342543 A342539 * A347024 A009342 A357486 Adjacent sequences: A346807 A346808 A346809 * A346811 A346812 A346813 KEYWORD base,nonn AUTHOR Eric Angelini and Carole Dubois, Aug 05 2021 STATUS approved

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Last modified June 4 21:13 EDT 2023. Contains 363130 sequences. (Running on oeis4.)