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 A345292 a(n) is the least k >= 0 such that A345290(k) = -n. 3
 0, 1, 7, 4, 5, 31, 18, 19, 16, 17, 23, 20, 21, 127, 74, 75, 72, 73, 79, 66, 67, 64, 65, 71, 68, 69, 95, 82, 83, 80, 81, 87, 84, 85, 511, 298, 299, 296, 297, 303, 290, 291, 288, 289, 295, 292, 293, 319, 266, 267, 264, 265, 271, 258, 259, 256, 257, 263, 260, 261 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,3 COMMENTS The binary plot of the sequence has interesting features (see Illustration in Links section). LINKS Rémy Sigrist, Table of n, a(n) for n = 0..6764 Rémy Sigrist, Binary plot of the first Fibonacci(13) = 233 terms Rémy Sigrist, PARI program for A345292 EXAMPLE We have:   n         | 0   1  2  3   4   5   6   7  8  9  10  11  12  13  14  15  16  17   ----------+------------------------------------------------------------------   A345290(n)| 0  -1  2  1  -3  -4  -1  -2  5  4   7   6   2   1   4   3  -8  -9 - so a(0) = 0,      a(1) = 1,      a(3) = 4,      a(4) = 5,      a(2) = 7,      a(8) = 16,      a(9) = 17. PROG (PARI) See Links section. CROSSREFS Cf. A345290, A345291. Sequence in context: A019899 A085662 A155684 * A198357 A240341 A011204 Adjacent sequences:  A345289 A345290 A345291 * A345293 A345294 A345295 KEYWORD nonn,base AUTHOR Rémy Sigrist, Jun 13 2021 STATUS approved

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Last modified September 27 08:39 EDT 2021. Contains 347689 sequences. (Running on oeis4.)