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

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A162008 Third right hand column of the EG1 triangle A162005 6
16, 1032, 36096, 1035088, 27426960, 702812568, 17753262208, 445736371872, 11162877175440, 279268061007400, 6983654996144256, 174610650719469552, 4365455001524490256, 109138210900706764728, 2728473030627812279040 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..15.

FORMULA

a(n) = (64*n^2+112*n+30-432*n*9^n-405*9^n+375*25^n)/128

a(n) = 46*a(n-1)-663*a(n-2)+3748*a(n-3)-7711*a(n-4)+6606*a(n-5)-2025*a(n-6)

GF(z) = (16+296*z-768*z^2-1080*z^3)/((1-z)^3*(1-9*z)^2*(1-25*z))

CROSSREFS

Third right hand column of the EG1 triangle A162005.

Other right hand columns are A004004 (2x), A162009 and A162010.

Cf. A162011 and A162014.

Sequence in context: A130036 A013735 A180376 * A195619 A029701 A281984

Adjacent sequences:  A162005 A162006 A162007 * A162009 A162010 A162011

KEYWORD

easy,nonn

AUTHOR

Johannes W. Meijer, Jun 27 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 18:24 EST 2018. Contains 299628 sequences. (Running on oeis4.)