id:A072777 - OEIS Search Results

Search: id:A072777

Displaying 1-1 of 1 results found.

page 1

Powers of square-free numbers which are not square-free.

+0
3

4, 8, 9, 16, 25, 27, 32, 36, 49, 64, 81, 100, 121, 125, 128, 169, 196, 216, 225, 243, 256, 289, 343, 361, 441, 484, 512, 529, 625, 676, 729, 841, 900, 961, 1000, 1024, 1089, 1156, 1225, 1296, 1331, 1369, 1444, 1521, 1681, 1764, 1849 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`For all n exists k: a(n)=A072774(k) and A072776(k)>1.`
	CROSSREFS	`Cf. A013929.` `Sequence in context: A001694 A157985 A001597 this_sequence A076292 A090516 A090515` `Adjacent sequences: A072774 A072775 A072776 this_sequence A072778 A072779 A072780`
	KEYWORD	`nonn,nice`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Jul 10 2002`

page 1

Search completed in 0.002 seconds

Last modified December 5 08:23 EST 2009. Contains 170348 sequences.

AT&T Labs Research