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

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A293905 E.g.f.: exp(Sum_{n>=1} A000041(n-1)*x^n/n). 1
1, 1, 2, 8, 44, 316, 2656, 26632, 299408, 3809744, 53425376, 823627456, 13758271552, 248997717568, 4826005005824, 100042516509056, 2204677070418176, 51515128563296512, 1270613780164684288, 33020423388135645184, 900956861702008749056 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

Seiichi Manyama, Table of n, a(n) for n = 0..433

FORMULA

a(0) = 1 and a(n) = (n-1)! * Sum_{k=1..n} A000041(k-1)*a(n-k)/(n-k)! for n > 0.

CROSSREFS

Cf. A000041, A293527.

Sequence in context: A005363 A216234 A123307 * A244430 A190818 A253949

Adjacent sequences:  A293902 A293903 A293904 * A293906 A293907 A293908

KEYWORD

nonn

AUTHOR

Seiichi Manyama, Oct 19 2017

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 20 17:54 EDT 2019. Contains 322310 sequences. (Running on oeis4.)