Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A152774
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A152774 Number of proper divisors of the Fibonacci number A000045(n). +0
1
0, 0, 1, 1, 1, 3, 1, 3, 3, 3, 1, 14, 1, 3, 7, 7, 1, 15, 3, 15, 7, 3, 1, 71, 5, 3, 15, 15, 1, 63, 3, 15, 7, 3, 7, 159, 7, 7, 7, 63, 3, 63, 1, 31, 31, 7, 1, 335, 7, 47, 7, 15, 3, 127, 15, 95, 31, 7, 3, 959, 3, 7, 31, 63, 7, 63, 7, 31, 31, 127, 3, 1535, 3, 15, 47, 31, 15, 127, 3 (list; graph; listen)
OFFSET

1,6

FORMULA

a(n) = A000005(A000045(n))-1 = A032741(A000045(n)) = A063375(n)-1.

CROSSREFS

Cf. A000005, A032741, A063375, A074283, A152990.

Sequence in context: A072219 A059789 A023136 this_sequence A068074 A063195 A025796

Adjacent sequences: A152771 A152772 A152773 this_sequence A152775 A152776 A152777

KEYWORD

nonn

AUTHOR

Omar E. Pol (info(AT)polprimos.com), Jan 17 2009

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 December 7 23:50 EST 2009. Contains 170430 sequences.


AT&T Labs Research