id:A125736 - OEIS Search Results

Search: id:A125736

Displaying 1-1 of 1 results found.

page 1

a(n)=IntegerLog(n-1)+IntegerLog(n+1), where IntegerLog(n)=A001414(n).

+0
2

6, 8, 9, 12, 11, 13, 13, 17, 14, 24, 16, 21, 17, 25, 16, 36, 17, 29, 22, 33, 22, 33, 24, 19, 26, 38, 21, 60, 20, 45, 29, 26, 29, 49, 31, 53, 32, 57, 23, 84, 27, 54, 40, 58, 36, 61, 23, 34, 29, 73, 28, 69, 24, 38, 44, 81, 43, 120, 45, 74, 45, 31, 28, 85, 37, 93, 35, 97, 26, 144 (list; graph; listen)

	OFFSET	`3,1`
	EXAMPLE	`a(3)=ilog(2)+ilog(4)=(21)+(22)=6.` `a(13)=ilog(12)+ilog(14)=(22+31)+(21+71)=16.`
	MATHEMATICA	`iLn = Dot @@ Transpose[FactorInteger[ # ]] &; NiLn = iLn[ # - 1] + iLn[ # + 1] &; Map[NiLn, Range[3, 200]]`
	CROSSREFS	`Sequence in context: A123704 A045574 A074284 this_sequence A030725 A043720 A161982` `Adjacent sequences: A125733 A125734 A125735 this_sequence A125737 A125738 A125739`
	KEYWORD	`nonn`
	AUTHOR	`Carlos Alves (cjsalves(AT)gmail.com), Dec 02 2006`

page 1

Search completed in 0.002 seconds

Last modified November 30 13:13 EST 2009. Contains 167758 sequences.

AT&T Labs Research