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A233560 Inverse of the permutation A233559 of the positive integers. 2
1, 2, 3, 4, 7, 5, 10, 8, 6, 12, 23, 9, 17, 19, 14, 15, 29, 11, 21, 24, 20, 39, 76, 16, 32, 34, 13, 26, 50, 25, 48, 30, 45, 57, 113, 18, 36, 41, 35, 46, 89, 38, 74, 77, 28, 55, 108, 31, 61, 63, 58, 67, 133, 22, 43, 51, 42, 82, 163, 47, 92, 94, 40, 59, 117, 78 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

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

MATHEMATICA

x = {1}; Do[x = DeleteDuplicates[Flatten[Transpose[{x, x + 1, 2 x, 3 x}]]], {8}];  x (* A233559 *)

y = Flatten[Table[Position[x, n], {n, 1, 157}]] (* A233560 *)

CROSSREFS

Cf. A233559.

Sequence in context: A191544 A191438 A191730 * A245703 A260426 A167151

Adjacent sequences:  A233557 A233558 A233559 * A233561 A233562 A233563

KEYWORD

nonn,easy

AUTHOR

Clark Kimberling, Dec 14 2013

STATUS

approved

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Last modified April 7 19:49 EDT 2020. Contains 333306 sequences. (Running on oeis4.)