id:A069946 - OEIS Search Results

Search: id:A069946

Displaying 1-1 of 1 results found.

page 1

phi(n)==1 (mod core(n)) where core(x) is the square-free part of x.

+0
1

2, 12, 48, 60, 63, 75, 175, 192, 363, 405, 468, 704, 768, 816, 867, 891, 960, 980, 1008, 1020, 1587, 1875, 2023, 2107, 2331, 2475, 2523, 2527, 2800, 2835, 3072, 3075, 3185, 3332, 3757, 4100, 4335, 4477, 4851, 5043, 5780, 6171, 6292, 6627, 6727, 6877, 7220 (list; graph; listen)

	OFFSET	`1,1`
	PROGRAM	`(PARI) for(n=1, 15000, if(eulerphi(n)%core(n)==1, print1(n, ", ")))`
	CROSSREFS	`Sequence in context: A006742 A003993 A129018 this_sequence A048501 A001815 A052569` `Adjacent sequences: A069943 A069944 A069945 this_sequence A069947 A069948 A069949`
	KEYWORD	`easy,nonn`
	AUTHOR	`Benoit Cloitre (benoit7848c(AT)orange.fr), Apr 27 2002`

page 1

Search completed in 0.002 seconds

Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

AT&T Labs Research