A031879 - OEIS

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A031879

Nonprime lucky numbers.

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	`Amiram Eldar, Table of n, a(n) for n = 1..10000`
	CROSSREFS	`Intersection of A000959 and A018252.` `Cf. 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 January 17 13:45 EST 2021. Contains 340242 sequences. (Running on oeis4.)