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

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A160193 Numerator of Hermite(n, 5/28). 2
1, 5, -367, -5755, 402817, 11037925, -734331695, -29632858075, 1866841880705, 102262852326725, -6074903893493615, -431244900588230075, 24038761085803317505, 2148769817796050860325, -111757677404273451703855, -12351237147086094379982875, 595378957401697424118753025 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..16.

FORMULA

Conjecture: a(n) -5*a(n-1) +392*(n-1)*a(n-2)=0. - R. J. Mathar, Feb 16 2014

EXAMPLE

Numerator of 1, 5/14, -367/196, -5755/2744, 402817/38416, 11037925/537824,..

MAPLE

A160193 := proc(n)

        orthopoly[H](n, 5/28) ;

        numer(%) ;

end proc: # R. J. Mathar, Feb 16 2014

MATHEMATICA

Numerator/@HermiteH[Range[0, 20], 5/28] (* Harvey P. Dale, Jul 11 2011 *)

PROG

(PARI) a(n)=numerator(polhermite(n, 5/28)) \\ Charles R Greathouse IV, Jan 29 2016

CROSSREFS

Cf. A001023 (denominators).

Sequence in context: A121668 A234311 A237430 * A215437 A098038 A072172

Adjacent sequences:  A160190 A160191 A160192 * A160194 A160195 A160196

KEYWORD

sign,frac

AUTHOR

N. J. A. Sloane, Nov 12 2009

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 February 24 06:13 EST 2018. Contains 299597 sequences. (Running on oeis4.)