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 A318456 a(n) = n OR A001065(n), where OR is bitwise-or (A003986) and A001065 = sum of proper divisors. 12
 1, 3, 3, 7, 5, 6, 7, 15, 13, 10, 11, 28, 13, 14, 15, 31, 17, 23, 19, 22, 31, 30, 23, 60, 31, 26, 31, 28, 29, 62, 31, 63, 47, 54, 47, 55, 37, 54, 55, 58, 41, 62, 43, 44, 45, 62, 47, 124, 57, 59, 55, 62, 53, 118, 55, 120, 63, 58, 59, 124, 61, 62, 63, 127, 83, 78, 67, 126, 95, 78, 71, 123, 73, 106, 123, 76, 95, 94, 79, 122, 121, 126, 83 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 LINKS Antti Karttunen, Table of n, a(n) for n = 1..65537 FORMULA a(n) = A003986(n, A001065(n)). a(n) = A000203(n) - A318458(n). PROG (PARI) A318456(n) = bitor(n, sigma(n)-n); CROSSREFS Cf. A000203, A001065, A003986, A318457, A318458, A318466. Sequence in context: A205680 A137695 A338768 * A209085 A086799 A218388 Adjacent sequences:  A318453 A318454 A318455 * A318457 A318458 A318459 KEYWORD nonn,base AUTHOR Antti Karttunen, Aug 26 2018 STATUS approved

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Last modified May 20 11:16 EDT 2022. Contains 353871 sequences. (Running on oeis4.)