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 A349294 Numbers m such that there exists a permutation p of {1,2,...,m} with p(k) dividing p(k+1) + p(k+2) for all k in {1,2,...,m-2}. 1
 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 34, 37, 38, 51 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS Numbers m such that A349288(m) > 0. LINKS Table of n, a(n) for n=1..33. Falcao, Problem of the day-13, 2021. (in Russian) EXAMPLE m=9 belongs to this sequence since the permutation p = (1, 3, 8, 7, 9, 5, 4, 6, 2) satisfies the condition. CROSSREFS Cf. A349288. Sequence in context: A109425 A357873 A226537 * A153679 A273887 A194906 Adjacent sequences: A349291 A349292 A349293 * A349295 A349296 A349297 KEYWORD nonn,hard,more AUTHOR Max Alekseyev, Nov 13 2021 STATUS approved

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Last modified April 16 03:28 EDT 2024. Contains 371696 sequences. (Running on oeis4.)