Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A162008
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A162008 Third right hand column of the EG1 triangle A162005 +0
7
16, 1032, 36096, 1035088, 27426960, 702812568, 17753262208, 445736371872, 11162877175440, 279268061007400, 6983654996144256, 174610650719469552, 4365455001524490256, 109138210900706764728, 2728473030627812279040 (list; graph; listen)
OFFSET

1,1

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: A067490 A130036 A013735 this_sequence A029701 A144915 A053903

Adjacent sequences: A162005 A162006 A162007 this_sequence A162009 A162010 A162011

KEYWORD

easy,nonn

AUTHOR

Johannes W. Meijer (meijgia(AT)hotmail.com), Jun 27 2009

page 1

Search completed in 0.002 seconds

Lookup | Welcome | Find friends | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
More pages | Superseeker | Maintained by N. J. A. Sloane (njas@research.att.com)

Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


AT&T Labs Research