id:A141603 - OEIS Search Results

Search: id:A141603

Displaying 1-1 of 1 results found.

page 1

Odd composites of the form n-(p(n+2)-p(n)/(p(n+1)-p(n-1)), where p(n)=n-th prime.

+0
1

9, 21, 25, 27, 33, 63, 77, 81, 93, 105, 125, 143, 147, 153, 165, 171, 175, 185, 235, 243, 247, 249, 255, 273, 285, 301, 321, 335, 345, 363, 405, 437, 473, 475, 483, 517, 529, 533, 559, 567, 579, 585, 591, 603, 627, 671, 689, 711, 767, 789, 793, 825, 861, 873, 891, 897 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`Entries are not repeated and shown in natural order.`
	EXAMPLE	`n=10: 10-(37-29)/(31-23)=9=a(1).` `n=22: 22-(89-79)/(83-73)=21=a(2).` `n=26: 26-(107-101)/(103-97)=25=a(3).` `n=28: 28-(113-107)/(109-103)=27=a(4).` `n=34: 34-(151-139)/(149-137)=33=a(5).`
	CROSSREFS	`Cf. A000040.` `Sequence in context: A161326 A111171 A067887 this_sequence A138786 A139392 A154384` `Adjacent sequences: A141600 A141601 A141602 this_sequence A141604 A141605 A141606`
	KEYWORD	`nonn`
	AUTHOR	`Juri-Stepan Gerasimov (2stepan(AT)rambler.ru), Sep 10 2008`
	EXTENSIONS	`Corrected and extended by R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Sep 26 2008`

page 1

Search completed in 0.002 seconds

Last modified December 21 10:15 EST 2009. Contains 171081 sequences.

AT&T Labs Research