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A088611 a(1) =1, a(n) = n-th squarefree number if n is squarefree else a(n) is the n-th nonsquarefree number. 1
1, 2, 3, 12, 6, 7, 10, 24, 25, 14, 15, 32, 19, 21, 22, 45, 26, 49, 30, 52, 33, 34, 35, 63, 64, 39, 72, 75, 43, 46, 47, 84, 53, 55, 57, 96, 59, 61, 62, 104, 66, 67, 69, 117, 120, 73, 74, 125, 126, 128, 82, 135, 85, 140, 87, 147, 91, 93, 94, 153, 97, 101, 162, 164, 105, 106 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..66.

EXAMPLE

a(4) = 12, the 4th nonsquarefree number.

The 4th term in the sequence 4,8,9,12,16,18,20,...

CROSSREFS

Cf. A088612.

Sequence in context: A056819 A124442 A220271 * A292265 A259416 A137765

Adjacent sequences:  A088608 A088609 A088610 * A088612 A088613 A088614

KEYWORD

nonn

AUTHOR

Amarnath Murthy, Oct 16 2003

EXTENSIONS

Corrected and extended by Ray Chandler, Oct 18 2003

STATUS

approved

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Last modified May 29 05:00 EDT 2022. Contains 354122 sequences. (Running on oeis4.)