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 A324902 The 2-adic valuation of A318456(n), where A318456(n) = n OR (sigma(n)-n). 3
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 OFFSET 1,12 LINKS Antti Karttunen, Table of n, a(n) for n = 1..65537 FORMULA a(n) = A007814(A318456(n)). a(n) = A324904(n) - A324903(n). PROG (PARI) A318456(n) = bitor(n, sigma(n)-n); A324902(n) = valuation(A318456(n), 2); CROSSREFS Cf. A000203, A001065, A003986, A007814, A318456, A324882, A324903, A324904. Sequence in context: A219484 A060396 A195470 * A252370 A045827 A070103 Adjacent sequences:  A324899 A324900 A324901 * A324903 A324904 A324905 KEYWORD nonn AUTHOR Antti Karttunen, Mar 28 2019 STATUS approved

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Last modified May 19 02:45 EDT 2019. Contains 323377 sequences. (Running on oeis4.)