id:A067235 - OEIS Search Results

Search: id:A067235

Displaying 1-1 of 1 results found.

page 1

Numbers n such that phi(4n-1)=sigma(n).

+0
1

660, 744, 4216, 6460, 10780, 11880, 14688, 27820, 32524, 37464, 40120, 59964, 87124, 110770, 120934, 125764, 184264, 190564, 194584, 210324, 264280, 269514, 295144, 297388, 298840, 314974, 379204, 384750, 396256, 396520, 406296, 444244, 473524, 597480 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`Are there any odd terms in the sequence?`
	CROSSREFS	`Sequence in context: A034818 A068260 A023294 this_sequence A113171 A014362 A143042` `Adjacent sequences: A067232 A067233 A067234 this_sequence A067236 A067237 A067238`
	KEYWORD	`nonn`
	AUTHOR	`Benoit Cloitre (benoit7848c(AT)orange.fr), Feb 20 2002`
	EXTENSIONS	`More terms from Harvey P. Dale (hpd1(AT)nyu.edu), Feb 26 2002`

page 1

Search completed in 0.002 seconds

Last modified November 23 17:09 EST 2009. Contains 167438 sequences.

AT&T Labs Research