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A031879 Nonprime lucky numbers. 2
1, 9, 15, 21, 25, 33, 49, 51, 63, 69, 75, 87, 93, 99, 105, 111, 115, 129, 133, 135, 141, 159, 169, 171, 189, 195, 201, 205, 219, 231, 235, 237, 259, 261, 267, 273, 285, 289, 297, 303, 319, 321, 327, 339, 357, 361, 385, 391, 393, 399, 415, 427 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..52.

CROSSREFS

Cf. A000959, A031157.

Sequence in context: A046372 A025045 A107987 * A139787 A225461 A172181

Adjacent sequences:  A031876 A031877 A031878 * A031880 A031881 A031882

KEYWORD

nonn

AUTHOR

Patrick De Geest

EXTENSIONS

Name corrected by Giovanni Resta, Jun 20 2016

STATUS

approved

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Last modified August 20 10:05 EDT 2019. Contains 326148 sequences. (Running on oeis4.)