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

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A079005 Exponential transform of unsigned Lah-triangle |A008297(n,k)|. 1
1, 2, 2, 6, 12, 5, 24, 72, 60, 15, 120, 480, 600, 300, 52, 720, 3600, 6000, 4500, 1560, 203, 5040, 30240, 63000, 63000, 32760, 8526, 877, 40320, 282240, 705600, 882000, 611520, 238728, 49112, 4140, 362880, 2903040, 8467200, 12700800, 11007360 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..41.

N. J. A. Sloane, Transforms

FORMULA

E.g.f.: exp(exp(x*y/(1-x))-1). a(n, k) = n!/k! * binomial(n-1, k-1) * bell(k) = |A008297(n, k)| * A000110(k).

EXAMPLE

1; 2,2; 6,12,5; 24,72,60,15; 120,480,600,300,52; ...

CROSSREFS

Cf. A055924, A055896, A056860.

Sequence in context: A209026 A091764 A192933 * A281351 A241669 A178802

Adjacent sequences:  A079002 A079003 A079004 * A079006 A079007 A079008

KEYWORD

nonn,tabl

AUTHOR

Vladeta Jovovic, Feb 01 2003

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
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 22 06:14 EDT 2019. Contains 322329 sequences. (Running on oeis4.)