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 A194860 Rectangular array, by antidiagonals: row n gives the positions of n in the fractal sequence A194859; an interspersion. 4
 1, 3, 2, 6, 5, 4, 9, 8, 7, 10, 14, 12, 11, 15, 13, 20, 18, 16, 21, 19, 17, 27, 25, 23, 28, 26, 24, 22, 34, 32, 30, 36, 33, 31, 29, 35, 43, 40, 38, 45, 42, 39, 37, 44, 41, 53, 50, 47, 55, 52, 49, 46, 54, 51, 48, 63, 60, 57, 65, 62, 59, 56, 64, 61, 58, 66, 75, 71, 68 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS See A194832 for a general discussion. LINKS EXAMPLE Northwest corner: 1...3...6...9...14..20 2...5...8...12..18..25 4...7...11..16..23..30 10..15..21..28..36..45 13..19..26..33..42..52 17..24..31..39..49..59 MATHEMATICA r = E; t[n_] := Table[FractionalPart[k*r], {k, 1, n}]; f = Flatten[Table[Flatten[(Position[t[n], #1] &) /@ Sort[t[n], Less]], {n, 1, 20}]]  (* A194859 *) TableForm[Table[Flatten[(Position[t[n], #1] &) /@ Sort[t[n], Less]], {n, 1, 15}]] row[n_] := Position[f, n]; u = TableForm[Table[row[n], {n, 1, 20}]] g[n_, k_] := Part[row[n], k]; p = Flatten[Table[g[k, n - k + 1], {n, 1, 13}, {k, 1, n}]]  (* A194860 *) q[n_] := Position[p, n]; Flatten[Table[q[n], {n, 1, 80}]]  (* A194861 *) CROSSREFS Cf. A194859, A194861, A194832. Sequence in context: A234024 A194861 A194840 * A194839 A195071 A195081 Adjacent sequences:  A194857 A194858 A194859 * A194861 A194862 A194863 KEYWORD nonn,tabl AUTHOR Clark Kimberling, Sep 04 2011 STATUS approved

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Last modified July 30 09:18 EDT 2021. Contains 346359 sequences. (Running on oeis4.)