Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A050498
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A050498 Arithmetic progressions of at least 4 terms with common difference 6 having the same value of phi(x) start at these numbers. +0
2
72, 216, 76326, 101526, 116646, 146886, 298086, 369366, 624966, 1375926, 1532166, 1558086, 1598406, 1750326, 1789206, 1866246, 1991526, 2516406, 2540886, 2620806, 2681286, 2827446, 3151446, 3196806, 3236406, 3489126 (list; graph; listen)
OFFSET

1,1

EXAMPLE

phi(72)=pi(78)=phi(84)=phi(90)=24, so 72 is in the sequence.

CROSSREFS

Cf. A000010, A039670.

Sequence in context: A044785 A028977 A033693 this_sequence A077535 A064716 A073412

Adjacent sequences: A050495 A050496 A050497 this_sequence A050499 A050500 A050501

KEYWORD

nonn

AUTHOR

Jud McCranie (j.mccranie(AT)comcast.net), Dec 27 1999

page 1

Search completed in 0.002 seconds

Lookup | Welcome | Find friends | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
More pages | Superseeker | Maintained by N. J. A. Sloane (njas@research.att.com)

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


AT&T Labs Research