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A232562 Inverse permutation of the sequence of positive integers at A232561. 2
1, 2, 3, 5, 9, 4, 7, 13, 6, 11, 20, 10, 18, 33, 17, 31, 57, 8, 15, 27, 14, 25, 46, 24, 44, 81, 12, 22, 40, 21, 38, 70, 37, 68, 125, 19, 35, 64, 34, 62, 114, 61, 112, 206, 32, 59, 108, 58, 106, 195, 105, 193, 355, 16, 29, 53, 28, 51, 94, 50, 92, 169, 26, 48 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Clark Kimberling, Table of n, a(n) for n = 1..1000

MATHEMATICA

z = 8; g[1] = {1}; g[2] = {2, 3}; g[n_] := Riffle[g[n - 1] + 1, 3 g[n - 1]]; j[2] = Join[g[1], g[2]]; j[n_] := Join[j[n - 1], g[n]]; g1[n_] := DeleteDuplicates[DeleteCases[g[n], Alternatives @@ j[n - 1]]]; g1[1] = g[1]; g1[2] = g[2]; t = Flatten[Table[g1[n], {n, 1, z}]]  (* A232561 *)

Table[Length[g1[n]], {n, 1, z}]  (* A001590 *)

t1 = Flatten[Table[Position[t, n], {n, 1, 200}]]  (* A232562 *)

CROSSREFS

Cf. A232559, A232561, A001590.

Sequence in context: A120495 A107477 A271525 * A064358 A109736 A119628

Adjacent sequences:  A232559 A232560 A232561 * A232563 A232564 A232565

KEYWORD

nonn,easy

AUTHOR

Clark Kimberling, Nov 26 2013

STATUS

approved

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Last modified August 10 00:32 EDT 2022. Contains 356026 sequences. (Running on oeis4.)