Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A028343
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A028343 Expansion of prod( (1-x^i)^(1/i), i = 1..infinity); also of exp(- sum( d(n)*x^n /n, n = 1..infinity)) where d is number of divisors function. +0
2
1, -1, -1, 1, -1, 41, -131, 1499, -4159, 10639, 100871, 4142249, -111459041, 1127459321, 1797229589, -185028952109, 706529394689, 29136228245279, -547852336663409, 7139784702100049, -195178627579232449 (list; graph; listen)
OFFSET

0,6
CROSSREFS

Sequence in context: A142290 A013643 A142333 this_sequence A165816 A142449 A044373

Adjacent sequences: A028340 A028341 A028342 this_sequence A028344 A028345 A028346

KEYWORD

sign

AUTHOR

Jeffrey Shallit (shallit(AT)graceland.uwaterloo.ca)

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

Legal Notice
© 2009 AT&T Intellectual Property. All Rights Reserved.