Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A004996
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A004996 6^n/n!*product[ k=0..n-1 ](6*k - 1). +0
1
1, -6, -90, -1980, -50490, -1393524, -40412196, -1212365880, -37280250810, -1168114525380, -37146041907084, -1195427166827976, -38851382921909220, -1273129932671794440, -42013287778169216520 (list; graph; listen)
OFFSET

0,2

FORMULA

A(x) = (1 - 36*x)^(1/6).

a(n) ~ -1/6*Gamma(5/6)^-1*n^(-7/6)*6^(2*n)*{1 + 7/72*n^-1 + ...}. - Joe Keane (jgk(AT)jgk.org), Nov 24 2001

CROSSREFS

Sequence in context: A006480 A138462 A002896 this_sequence A001499 A147630 A132467

Adjacent sequences: A004993 A004994 A004995 this_sequence A004997 A004998 A004999

KEYWORD

sign

AUTHOR

Joe Keane (jgk(AT)jgk.org)

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 December 15 00:47 EST 2009. Contains 170825 sequences.


AT&T Labs Research