Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A036331
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A036331 Composite numbers n such that juxtaposition of prime factors of n has length 7. +0
1
128, 192, 288, 320, 352, 416, 432, 448, 480, 528, 544, 608, 624, 648, 672, 720, 736, 792, 800, 816, 880, 912, 928, 936, 968, 972, 992, 1008, 1040, 1080, 1104, 1120, 1144, 1184, 1188, 1200, 1224, 1232, 1312, 1320, 1352, 1360, 1368, 1376, 1392, 1404, 1452 (list; graph; listen)
OFFSET

0,1

COMMENT

There are exactly 919196 such numbers.

CROSSREFS

Cf. A036326-A036334.

Sequence in context: A114408 A114418 A046307 this_sequence A046308 A110290 A045028

Adjacent sequences: A036328 A036329 A036330 this_sequence A036332 A036333 A036334

KEYWORD

nonn,base,fini

AUTHOR

Patrick De Geest (pdg(AT)worldofnumbers.com), Dec 15 1998.

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 July 25 02:12 EDT 2008. Contains 142294 sequences.


AT&T Labs Research