Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A067424
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A067424 Ninth column of triangle A067417. +0
2
1, 11, 297, 8019, 216513, 5845851, 157837977, 4261625379, 115063885233, 3106724901291, 83881572334857, 2264802453041139, 61149666232110753, 1651040988266990331, 44578106683208738937, 1203608880446635951299 (list; graph; listen)
OFFSET

0,2

FORMULA

a(n)= A067417(n+8, 8). a(n)= 11*(3*9)^(n-1), n>=1, a(0)=1.

G.f. (1-16*x)/(1-27*x).

CROSSREFS

Cf. A067423 (eighth column), A009971 (powers of 27).

Adjacent sequences: A067421 A067422 A067423 this_sequence A067425 A067426 A067427

Sequence in context: A064758 A030428 A133515 this_sequence A001538 A101269 A012184

KEYWORD

nonn,easy

AUTHOR

Wolfdieter Lang (wolfdieter.lang(AT)physik.uni-karlsruhe.de), Jan 25 2002

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 October 7 14:39 EDT 2008. Contains 144666 sequences.


AT&T Labs Research