id:A064802 - OEIS Search Results

Search: id:A064802

Displaying 1-1 of 1 results found.

page 1

a(n) = Min { m > n | prime factorizations of m and n differ in one factor only}, a(1) = 1.

+0
3

1, 3, 5, 6, 7, 9, 11, 12, 15, 14, 13, 18, 17, 21, 21, 24, 19, 27, 23, 28, 33, 26, 29, 36, 35, 34, 45, 42, 31, 42, 37, 48, 39, 38, 49, 54, 41, 46, 51, 56, 43, 63, 47, 52, 63, 58, 53, 72, 77, 70, 57, 68, 59, 81, 65, 84, 69, 62, 61, 84, 67, 74, 99, 96, 85, 78, 71, 76, 87, 98, 73 (list; graph; listen)

	OFFSET	`1,2`
	COMMENT	`a(A000040(k)) = A000040(k + 1).`
	EXAMPLE	`20 = 2 * 2 * 5: as 2 * 3 * 5 > 2 * 2 * 7 = 28 we have a(20) = 28.`
	CROSSREFS	`A000040.` `Sequence in context: A154611 A164028 A047273 this_sequence A047584 A082984 A039025` `Adjacent sequences: A064799 A064800 A064801 this_sequence A064803 A064804 A064805`
	KEYWORD	`nonn`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Oct 21 2001`

page 1

Search completed in 0.003 seconds

Last modified November 27 14:50 EST 2009. Contains 167570 sequences.

AT&T Labs Research