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 A326040 a(n) = sigma(n) - A008833(sigma(n)). 6
 0, 2, 0, 6, 5, 8, 4, 14, 12, 9, 8, 24, 13, 20, 20, 30, 9, 38, 16, 41, 16, 0, 20, 56, 30, 41, 36, 52, 29, 36, 16, 54, 32, 45, 32, 90, 37, 56, 52, 81, 41, 80, 40, 80, 77, 36, 32, 120, 56, 92, 36, 49, 45, 116, 36, 116, 64, 81, 56, 164, 61, 80, 100, 126, 80, 0, 64, 117, 80, 0, 36, 194, 73, 113, 120, 136, 80, 164, 64, 185, 0, 117, 80 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 LINKS Antti Karttunen, Table of n, a(n) for n = 1..20000 FORMULA a(n) = A000203(n) - A326039(n) = A000203(n) - A008833(A000203(n)). a(n) = A326055(A000203(n)). PROG (PARI) A008833(n) = (n/core(n)); A326039(n) = A008833(sigma(n)); A326040(n) = (sigma(n)-A008833(sigma(n))); (PARI) A326055(n) = (n-A008833(n)); A326040(n) = A326055(sigma(n)); CROSSREFS Cf. A000203, A008833, A326039, A326055. Sequence in context: A140247 A271170 A111520 * A145419 A276763 A142354 Adjacent sequences:  A326037 A326038 A326039 * A326041 A326042 A326043 KEYWORD nonn AUTHOR Antti Karttunen, Jun 05 2019 STATUS approved

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Last modified October 19 04:40 EDT 2019. Contains 328211 sequences. (Running on oeis4.)