Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A074881
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A074881 Triangle T(n,k) giving number of labeled cyclic subgroups of order k in symmetric group S_n, n>=1, 1<=k<=g(n), where g(n) = A000793(n) is Landau's function. +0
1
1, 1, 1, 1, 3, 1, 1, 9, 4, 3, 1, 25, 10, 15, 6, 10, 1, 75, 40, 90, 36, 120, 1, 231, 175, 420, 126, 735, 120, 126, 105, 1, 763, 616, 2730, 336, 5320, 960, 1260, 1008, 840, 336, 1, 2619, 2884, 15498, 756, 41580, 4320, 11340, 6720, 6804, 7560, 4320, 3024, 2268 (list; table; graph; listen)
OFFSET

1,5

FORMULA

T(n, k) = A057731(n, k)/A000010(k).

EXAMPLE

1; 1,1; 1,3,1; 1,9,4,3; 1,25,10,15,6,10; ...

CROSSREFS

Row sums give A051625.

Sequence in context: A069605 A080510 A124496 this_sequence A050153 A106340 A118180

Adjacent sequences: A074878 A074879 A074880 this_sequence A074882 A074883 A074884

KEYWORD

nonn,tabl

AUTHOR

Vladeta Jovovic (vladeta(AT)Eunet.yu), Sep 30 2002

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 August 19 23:53 EDT 2008. Contains 142930 sequences.


AT&T Labs Research