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!)
A295446 a(n) = (10*n)!*(6*n)!/((9*n)!*(5*n)!*(2*n)!). 1
1, 30, 2090, 165648, 13873002, 1198158780, 105534616880, 9423350114880, 849915927124330, 77248168052615490, 7063878565972568340, 649143744147709730400, 59897782807583055382320, 5545885349166413944400400, 514993443497655350848314048, 47943397954241622806694753648 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..15.

FORMULA

G.f.: hypergeom([1/10, 1/6, 3/10, 1/2, 7/10, 5/6, 9/10], [1/9, 2/9, 4/9, 5/9, 7/9, 8/9], 51200000/531441*x).

CROSSREFS

Cf. A295431.

Sequence in context: A330598 A255958 A092617 * A056093 A056070 A301377

Adjacent sequences:  A295443 A295444 A295445 * A295447 A295448 A295449

KEYWORD

nonn

AUTHOR

Gheorghe Coserea, Nov 27 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 | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified May 17 08:05 EDT 2022. Contains 353741 sequences. (Running on oeis4.)