Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A129122
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A129122 Numbers n such that A085068(3n+1) = 7. +0
1
3, 38, 60, 62, 75, 107, 119, 132, 156, 164, 188, 213, 245, 300, 332, 357, 381, 389, 413, 426, 438, 470, 483, 485, 507, 542, 564, 566, 623, 651, 708, 710, 732, 767, 789, 791, 804, 836, 848, 861, 885, 893, 917, 942, 974, 1029, 1061, 1086, 1110, 1118, 1142, 1155 (list; graph; listen)
OFFSET

1,1

MATHEMATICA

f[n_] := Block[{c = 1, k = 4 n/3}, While[ ! IntegerQ[k], c++; k = 4*Ceiling[k]/3]; c]; Select[Range[2000], f[3*# + 1] == 7 &] - Stefan Steinerberger (stefan.steinerberger(AT)gmail.com), Aug 20 2007

CROSSREFS

Sequence in context: A122787 A119448 A093939 this_sequence A002405 A050394 A156071

Adjacent sequences: A129119 A129120 A129121 this_sequence A129123 A129124 A129125

KEYWORD

nonn

AUTHOR

Benoit Cloitre (benoit7848c(AT)orange.fr), Aug 18 2007

EXTENSIONS

More terms from Stefan Steinerberger (stefan.steinerberger(AT)gmail.com), Aug 20 2007

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 25 20:09 EST 2009. Contains 167514 sequences.


AT&T Labs Research