Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A114812
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A114812 Indices of Fibonacci numbers with 3 prime factors when counted with multiplicity. +0
1
6, 15, 16, 21, 25, 33, 35, 37, 38, 39, 46, 49, 51, 58, 62, 65, 67, 82, 86, 103, 106, 119, 122, 139, 142, 145, 158, 166, 179, 181, 226, 233, 235, 241, 257, 263, 274, 281, 299, 301, 317, 337, 383, 389, 419, 457, 463, 473, 479, 491, 521, 541, 557, 619, 643, 659 (list; graph; listen)
OFFSET

1,1

LINKS

Blair Kelly, Fibonacci and Lucas Factorizations.

EXAMPLE

a(2)=15 because 15th fibonacci number(i.e. 610) consists of 3 prime factors (i.e. 2*5*61)

PROGRAM

(PARI) n=1; while(n<340, if(bigomega(fibonacci(n))==3, print1(n, ", ")); n++)

CROSSREFS

Sequence in context: A070555 A128512 A009579 this_sequence A139204 A122661 A133481

Adjacent sequences: A114809 A114810 A114811 this_sequence A114813 A114814 A114815

KEYWORD

nonn

AUTHOR

Shyam Sunder Gupta (guptass(AT)rediffmail.com), Feb 19 2006

EXTENSIONS

More terms from Ryan Propper (rpropper(AT)stanford.edu), May 22 2006

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 18 20:14 EST 2008. Contains 147244 sequences.


AT&T Labs Research