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 A368671 For any k >= 0, let P(k) = A368357(k) and P(-k) = A368358(k); for any n > 0, a(n) is the unique k such that P(k) = n. 1
 0, 1, 2, -1, -3, -2, -4, 3, 7, 5, 9, 4, 8, 6, 10, -5, -13, -9, -17, -7, -15, -11, -19, -6, -14, -10, -18, -8, -16, -12, -20, 11, 27, 19, 35, 15, 31, 23, 39, 13, 29, 21, 37, 17, 33, 25, 41, 12, 28, 20, 36, 16, 32, 24, 40, 14, 30, 22, 38, 18, 34, 26, 42, -21 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,3 COMMENTS This sequence is a bijection from the positive integers to the integers (Z). LINKS Rémy Sigrist, Table of n, a(n) for n = 1..8191 Rémy Sigrist, PARI program EXAMPLE P(2) = A368357(2) = 3, so a(3) = 2. P(-4) = A368358(4) = 7, so a(7) = -4. PROG (PARI) See Links section. CROSSREFS Cf. A368357, A368358. Sequence in context: A008584 A352833 A034390 * A183912 A144693 A328399 Adjacent sequences: A368668 A368669 A368670 * A368672 A368673 A368674 KEYWORD sign,look AUTHOR Rémy Sigrist, Jan 02 2024 STATUS approved

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Last modified June 24 00:02 EDT 2024. Contains 373661 sequences. (Running on oeis4.)