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

 

Logo

Annual Appeal: Please make a donation (tax deductible in USA) to keep the OEIS running. Over 5000 articles have referenced us, often saying "we discovered this result with the help of the OEIS".

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A027504 First diagonal of A027497. 0
1, 1, 8, 8, 675, 94910400, 70889823459000, 1771001425438961261, 10554011923256738773512000, 2395383854945738312420772432853506624, 219666559507438711802703983198030622743357900 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

LINKS

Table of n, a(n) for n=1..11.

FORMULA

Numerators of sequence a[ n, n ] in (a[ i, j ])^4 where a[ i, j ] = S(i, j)/BellNumber(i) if j<=i, 0 if j>i

CROSSREFS

Sequence in context: A182922 A135808 A059196 * A078247 A273555 A213153

Adjacent sequences:  A027501 A027502 A027503 * A027505 A027506 A027507

KEYWORD

nonn

AUTHOR

Olivier Gérard

STATUS

approved

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

License Agreements, Terms of Use, Privacy Policy .

Last modified December 5 07:11 EST 2016. Contains 278761 sequences.