login
This site is supported by donations to The OEIS Foundation.
Logo

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A107895 Euler transform of n!. 4
1, 1, 3, 9, 36, 168, 961, 6403, 49302, 430190, 4199279, 45326013, 535867338, 6884000262, 95453970483, 1420538043009, 22579098396600, 381704267100888, 6837775526561031, 129377310771795789, 2578101967764973314 (list; graph; refs; listen; history; internal format)
OFFSET

0,3

MAPLE

EulerTrans := proc(p) local b; b := proc(n) option remember; local d, j;

`if`(n=0, 1, add(add(d*p(d), d=numtheory[divisors](j)) *b(n-j), j=1..n)/n) end end:

A107895 := EulerTrans(n->n!):  seq(A107895(n), n=0..20);

# After A. P. Heinz, A000335.  [Peter Luschny, Jul 07 2011]

CROSSREFS

Cf. A077365, A107894, A179327.

Sequence in context: A156016 A032314 A144352 * A070960 A030834 A030893

Adjacent sequences:  A107892 A107893 A107894 * A107896 A107897 A107898

KEYWORD

nonn

AUTHOR

Thomas Wieder (wieder.thomas(AT)t-online.de), May 26 2005

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
Recent Additions | More pages | Superseeker | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement .

Last modified February 15 07:35 EST 2012. Contains 205710 sequences.