id:A082293 - OEIS Search Results

Search: id:A082293

Displaying 1-1 of 1 results found.

page 1

Numbers having exactly one square divisor >1.

+0
2

4, 8, 9, 12, 18, 20, 24, 25, 27, 28, 40, 44, 45, 49, 50, 52, 54, 56, 60, 63, 68, 75, 76, 84, 88, 90, 92, 98, 99, 104, 116, 117, 120, 121, 124, 125, 126, 132, 135, 136, 140, 147, 148, 150, 152, 153, 156, 164, 168, 169, 171, 172, 175, 184, 188, 189, 198, 204, 207, 212 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`A046951(a(n)) = 2;` `a(n)=m*p^e, p prime, 1<e<4 and m square-free (A005117).`
	CROSSREFS	`Cf. A048111, A013929.` `Sequence in context: A102211 A119025 A074661 this_sequence A048944 A071835 A010429` `Adjacent sequences: A082290 A082291 A082292 this_sequence A082294 A082295 A082296`
	KEYWORD	`nonn`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Apr 08 2003`

page 1

Search completed in 0.002 seconds

Last modified December 8 08:31 EST 2009. Contains 170430 sequences.

AT&T Labs Research