Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A161418
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A161418 Number of triangles in the Y-toothpick sieve after n rounds. +0
5
0, 0, 0, 0, 6, 6, 12, 12, 24, 30 (list; graph; listen)
OFFSET

0,5
CROSSREFS

Cf. A139250, A160120, A160124, A161419, A161828, A161836.

Sequence in context: A028317 A055665 A127402 this_sequence A124691 A112437 A122223

Adjacent sequences: A161415 A161416 A161417 this_sequence A161419 A161420 A161421

KEYWORD

more,nonn

AUTHOR

Omar E. Pol (info(AT)polprimos.com), Jun 21 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 December 15 00:47 EST 2009. Contains 170825 sequences.

AT&T Labs Research

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