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

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A275213 The largest coefficients of the extended q-Catalan polynomials which are defined in A274886. 1

%I

%S 1,1,1,1,1,2,1,5,2,12,4,32,9,94,23,289,62,910,176,2934,512,9686,1551,

%T 32540,4822,110780,15266,381676,49141,1328980,160728,4669367,532890,

%U 16535154,1785162,58965214,6039328,211591218,20617808,763535450,70951548,2769176514

%N The largest coefficients of the extended q-Catalan polynomials which are defined in A274886.

%H Peter Luschny, <a href="https://oeis.org/wiki/User:Peter_Luschny/Orbitals">Orbitals</a>

%p # Function QExtCatalan is defined in A274886.

%p seq(max(QExtCatalan(n,q)), n=0..20);

%t (* Function QExtCatalan is defined in A274886. *)

%t Table[Max[CoefficientList[QExtCatalan[n] // FunctionExpand, q]], {n,0,30}]

%o (Sage)

%o # Function q_ext_catalan_number is in A274886.

%o print [max(q_ext_catalan_number(n).list()) for n in (0..41)]

%Y Cf. A274882, A274886.

%K nonn

%O 0,6

%A _Peter Luschny_, Jul 20 2016

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 May 26 17:49 EDT 2019. Contains 323597 sequences. (Running on oeis4.)