Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A054789
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A054789 Earliest sequence with a(a(n))=9n. +0
1
0, 2, 9, 4, 27, 6, 45, 8, 63, 18, 11, 90, 13, 108, 15, 126, 17, 144, 81, 20, 171, 22, 189, 24, 207, 26, 225, 36, 29, 252, 31, 270, 33, 288, 35, 306, 243, 38, 333, 40, 351, 42, 369, 44, 387, 54, 47, 414, 49, 432, 51, 450, 53, 468, 405, 56, 495, 58, 513, 60, 531, 62, 549 (list; graph; listen)
OFFSET

0,2

LINKS

Index entries for sequences of the a(a(n)) = 2n family

CROSSREFS

Cf. A002516, A002517, A002518, A007379, A008585.

Sequence in context: A080803 A022157 A065599 this_sequence A002508 A038215 A119019

Adjacent sequences: A054786 A054787 A054788 this_sequence A054790 A054791 A054792

KEYWORD

nice,nonn

AUTHOR

Henry Bottomley (se16(AT)btinternet.com), Apr 27 2000

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 September 6 16:04 EDT 2008. Contains 143483 sequences.


AT&T Labs Research