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 A331989 Lexicographically earliest sequence of distinct positive integers such that five successive digits are always distinct. 1
 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 23, 41, 50, 24, 13, 52, 40, 15, 26, 30, 12, 43, 51, 20, 34, 16, 25, 31, 42, 53, 14, 27, 35, 18, 29, 36, 17, 28, 39, 45, 21, 37, 46, 19, 32, 47, 56, 38, 49, 57, 60, 48, 59, 61, 70, 54, 62, 71, 58, 63, 72, 80, 64, 73, 81, 65, 74, 82, 67, 90, 83, 69, 75, 84, 91, 68, 79, 102, 76, 85 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 LINKS Carole Dubois, Table of n, a(n) for n = 1..5000 EXAMPLE The 5 digits 1, 0, 2, 3, 4 of a(10), a(11) and the 1st digit of a(12) are distinct; the 5 digits 0, 2, 3, 4, 1 of the 2nd digit of a(10), a(11) and a(12) are distinct; the 5 digits 2, 3, 4, 1, 5 of a(11), a(12) and the 1st digit of a(13) are distinct; the 5 digits 3, 4, 1, 5, 0 of the 2nd digit of a(11), a(12) and a(13) are distinct; the 5 digits 4, 1, 5, 0, 2 of a(12), a(13) and the 1st digit of a(14) are distinct, etc. CROSSREFS Cf. A331975 (a variant with 3 successive distinct digits), A331215 (a variant with 4 successive distinct digits). Sequence in context: A331215 A039229 A054659 * A120125 A333832 A095204 Adjacent sequences:  A331986 A331987 A331988 * A331990 A331991 A331992 KEYWORD base,nonn AUTHOR Eric Angelini and Carole Dubois, Feb 03 2020 STATUS approved

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Last modified September 21 14:54 EDT 2020. Contains 337272 sequences. (Running on oeis4.)