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 A064627 Positive integers not in A064494. 4
 2, 3, 5, 7, 10, 11, 13, 17, 19, 21, 23, 25, 27, 29, 30, 31, 37, 41, 42, 43, 45, 47, 50, 53, 54, 59, 61, 63, 65, 66, 67, 69, 71, 73, 74, 78, 79, 83, 85, 86, 89, 93, 97, 99, 101, 103, 105, 107, 109, 110, 112, 113, 115, 117, 119, 123, 126, 127, 129, 131, 135, 137, 138 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS Table of n, a(n) for n=1..63. PROG (SageMath) def divsign(s, k): if not k.divides(s): return 0 return (-1)^(s//k)*k def A(n): s = n + 1 for k in srange(n, 1, -1): s -= divsign(s, k) return s # Use with caution: search range must be adjusted as necessary! def A064627List(size): return sorted(Set([A(n) for n in (1..3*size)]))[0:size] print(A064627List(63)) # Peter Luschny, Sep 16 2019 CROSSREFS Cf. A064494. Sequence in context: A338174 A058590 A187711 * A324813 A235050 A117286 Adjacent sequences: A064624 A064625 A064626 * A064628 A064629 A064630 KEYWORD nonn AUTHOR Klaus Strassburger (strass(AT)ddfi.uni-duesseldorf.de), Oct 16 2001 STATUS approved

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Last modified August 7 05:36 EDT 2024. Contains 375008 sequences. (Running on oeis4.)