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A127914 a(1)=1. For n >= 2, a(n) is the smallest positive integer not occurring earlier in the sequence such that floor(a(n)/n) does not equal floor(a(n-1)/(n-1)). 0
1, 4, 2, 5, 3, 6, 14, 7, 9, 8, 11, 10, 13, 12, 15, 32, 16, 18, 17, 20, 19, 22, 21, 24, 23, 26, 25, 28, 27, 30, 29, 33, 31, 34, 70, 35, 37, 36, 39, 38, 41, 40, 43, 42, 45, 44, 47, 46, 49, 48, 51, 50, 53, 52, 55, 54, 57, 56, 59, 58, 61, 60, 63, 62, 65, 64, 67, 66, 69 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..69.

MATHEMATICA

a = {1}; For[n = 2, n < 70, n++, i = 1; While[Length[Intersection[a, {i}]] == 1 || Floor[i/n] == Floor[a[[ -1]]/(n - 1)], i++ ]; AppendTo[a, i]]; a (* Stefan Steinerberger, Oct 26 2007 *)

CROSSREFS

Sequence in context: A065187 A185511 A199855 * A218035 A090964 A219159

Adjacent sequences:  A127911 A127912 A127913 * A127915 A127916 A127917

KEYWORD

nonn

AUTHOR

Leroy Quet, Apr 06 2007

EXTENSIONS

More terms from Stefan Steinerberger, Oct 26 2007

STATUS

approved

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Last modified January 28 04:08 EST 2022. Contains 350654 sequences. (Running on oeis4.)