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 A195071 Inverse permutation of A194922; every positive integer occurs exactly once. 4
 1, 3, 2, 6, 5, 4, 9, 10, 8, 7, 13, 15, 14, 12, 11, 18, 21, 20, 19, 17, 16, 24, 27, 28, 26, 25, 23, 22, 31, 34, 36, 35, 33, 32, 30, 29, 39, 42, 45, 44, 43, 41, 40, 38, 37, 48, 51, 55, 54, 53, 52, 50, 49, 47, 46, 58, 61, 65, 66, 64, 63, 62, 60, 59, 57, 56, 69, 72, 76 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 LINKS G. C. Greubel, Table of n, a(n) for n = 1..5000 MATHEMATICA r = Sqrt[2]; p[n_] := n - Floor[n/r] Table[p[n], {n, 1, 90}]  (* A194920 *) g[1] = {1}; g[n_] := Insert[g[n - 1], n, p[n]] f[1] = g[1]; f[n_] := Join[f[n - 1], g[n]] f[20]  (* A194921 *) row[n_] := Position[f[30], n]; u = TableForm[Table[row[n], {n, 1, 5}]] v[n_, k_] := Part[row[n], k]; w = Flatten[Table[v[k, n - k + 1], {n, 1, 13}, {k, 1, n}]]  (* A194922 *) q[n_] := Position[w, n]; Flatten[Table[q[n], {n, 1, 80}]]   (* A195071 *) CROSSREFS Cf. A194922, A194921, A194920, A194959. Sequence in context: A194840 A194860 A194839 * A195081 A120913 A194922 Adjacent sequences:  A195068 A195069 A195070 * A195072 A195073 A195074 KEYWORD nonn AUTHOR Clark Kimberling, Sep 08 2011 STATUS approved

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Last modified September 25 09:40 EDT 2021. Contains 347654 sequences. (Running on oeis4.)