login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A030276 Shifts left under COMPOSE transform. 0
2, 4, 24, 304, 7072, 294208, 22272896, 3156061952, 857517830656, 454271687304192, 474176281265526784, 981485679577766473728, 4043641804936271388647424, 33230444803201427664559095808 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
N. J. A. Sloane, Transforms
FORMULA
a(n)=T(n,1), T(n,m)=m/n*sum(k=1..n, T(n-m,k)*2^(n-k)*binomial(n,k)), n>m, T(n,n)=2^n. [Vladimir Kruchinin, Aug 08 2013]
PROG
(Maxima) T(n, m):=if m=n then 2^m else m/n*sum(T(n-m, k)*2^(n-k)*binomial(n, k), k, 1, n); makelist(T(n, 1), n, 1, 15); [Vladimir Kruchinin, Aug 08 2013]
CROSSREFS
Sequence in context: A062531 A141599 A047677 * A081476 A241806 A009273
KEYWORD
nonn,eigen
AUTHOR
STATUS
approved

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

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 25 09:38 EDT 2024. Contains 371967 sequences. (Running on oeis4.)