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 A054069 Inverse of the permutation A054068 of natural numbers. 3
 1, 3, 2, 5, 4, 6, 9, 7, 10, 8, 14, 12, 15, 13, 11, 19, 17, 21, 18, 16, 20, 26, 23, 28, 25, 22, 27, 24, 33, 30, 35, 32, 29, 34, 31, 36, 42, 38, 44, 40, 37, 43, 39, 45, 41, 52, 48, 54, 50, 46, 53, 49, 55, 51, 47, 62, 58, 65, 60, 56, 63, 59, 66 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS As an interspersion, row n gives the positions of n in the fractal sequence A054065. LINKS EXAMPLE Northwest corner, as an interspersion: 1...2...5...8...12..18..24 3...6...10..14..20..27..35 4...7...11..16..22..30..38 9...13..19..25..33..42..51 15..21..28..36..45..55..66 MATHEMATICA (See A054065.) CROSSREFS Sequence in context: A194903 A194875 A194836 * A194869 A191736 A297208 Adjacent sequences:  A054066 A054067 A054068 * A054070 A054071 A054072 KEYWORD nonn AUTHOR STATUS approved

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Last modified November 27 12:51 EST 2021. Contains 349394 sequences. (Running on oeis4.)