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 A341818 Lexicographically earliest sequence of distinct terms > 0 such that the n-th digit of the sequence is present in a(n) + a(n+1). 5
 1, 9, 10, 2, 8, 4, 14, 20, 11, 3, 17, 13, 5, 6, 7, 12, 15, 16, 18, 27, 19, 28, 23, 29, 22, 30, 21, 25, 26, 32, 40, 31, 50, 39, 33, 35, 37, 36, 46, 43, 49, 53, 60, 41, 51, 52, 68, 47, 45, 24, 59, 61, 63, 38, 55, 48, 57, 44, 69, 70, 62, 71, 42, 73, 58, 79, 34, 72, 74, 82, 64, 66, 75, 54, 81, 56, 80 (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 1st digit of the sequence [1] is present in a(1) + a(2) = 1 + 9 = 10; the 2nd digit of the sequence [9] is present in a(2) + a(3) = 9 + 10 = 19; the 3rd digit of the sequence [1] is present in a(3) + a(4) = 10 + 2 = 12; the 4th digit of the sequence [0] is present in a(4) + a(5) = 2 + 8 = 10; the 5th digit of the sequence [2] is present in a(5) + a(6) = 8 + 4 = 12; the 6th digit of the sequence [8] is present in a(6) + a(7) = 4 + 14 = 18; the 7th digit of the sequence [4] is present in a(7) + a(8) = 14 + 20 = 34; etc. CROSSREFS Cf. A341819 (absolute difference), A341820 (product), A341821 (cumulative sum). Sequence in context: A160563 A158286 A126839 * A034058 A347181 A333774 Adjacent sequences: A341815 A341816 A341817 * A341819 A341820 A341821 KEYWORD base,nonn AUTHOR Eric Angelini and Carole Dubois, Feb 20 2021 STATUS approved

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Last modified July 19 20:58 EDT 2024. Contains 374436 sequences. (Running on oeis4.)