|
Search: id:A064804
|
|
| |
|
| 16, 22, 28, 34, 38, 40, 46, 52, 58, 64, 68, 76, 82, 86, 88, 94, 98, 100, 106, 112, 118, 124, 128, 130, 134, 136, 142, 148, 152, 154, 158, 160, 166, 172, 178, 184, 188, 190, 194, 196, 202, 206, 208, 214, 218, 220, 226, 232, 236, 238, 244, 248, 250, 256, 262, 268
(list; graph; listen)
|
|
|
OFFSET
|
1,1
|
|
|
COMMENT
|
2Select[ Range[200], EulerPhi[2# + 2] < EulerPhi[2# ] & ]
|
|
LINKS
|
Harry J. Smith, Table of n, a(n) for n=1,...,1000
|
|
PROGRAM
|
(PARI) { n=e=0; forstep (m=2, 10^9, 2, f=eulerphi(m); if (f<e, write("b064804.txt", n++, " ", m - 2); if (n==1000, return)); e=f ) } [From Harry J. Smith (hjsmithh(AT)sbcglobal.net), Sep 26 2009]
|
|
CROSSREFS
|
Cf. A001837.
Sequence in context: A123662 A065778 A091118 this_sequence A102944 A058901 A059756
Adjacent sequences: A064801 A064802 A064803 this_sequence A064805 A064806 A064807
|
|
KEYWORD
|
easy,nonn
|
|
AUTHOR
|
Robert G. Wilson v (rgwv(AT)rgwv.com), Oct 21 2001
|
|
EXTENSIONS
|
a(41) - a(56) from Harry J. Smith (hjsmithh(AT)sbcglobal.net), Sep 26 2009
|
|
|
Search completed in 0.005 seconds
|
