All about flooble | fun stuff | Get a free chatterbox | Free JavaScript | Avatars    
perplexus dot info

Home > Just Math
Distinct Delivery Deduction (Posted on 2014-09-04) Difficulty: 3 of 5
Art, the mail carrier delivers mail to the 19 houses on the east side of a street.

Art notices that:
(i) No two adjacent houses ever get mail on the same day, and:
(ii) There are never more than two houses in a row that get no mail on the same day.

How many distinct patterns of mail delivery are possible?

No Solution Yet Submitted by K Sengupta    
No Rating

Comments: ( You must be logged in to post comments.)
  Subject Author Date
re(3): a manua etc............. thank youSteve Herman2014-09-05 08:48:51
@ Steve HermanAdy TZIDON2014-09-05 04:08:58
Some Thoughtsre(2): a manua etc............. thank youAdy TZIDON2014-09-05 03:57:16
Some ThoughtsFibonacci-like featuresSteve Herman2014-09-04 17:37:56
Solutiona computer solutionCharlie2014-09-04 17:33:37
Solutionre: a manual count solutionSteve Herman2014-09-04 17:24:41
Solutiona manual count solutionAdy TZIDON2014-09-04 14:43:10
Please log in:
Login:
Password:
Remember me:
Sign up! | Forgot password


Search:
Search body:
Forums (0)
Newest Problems
Random Problem
FAQ | About This Site
Site Statistics
New Comments (4)
Unsolved Problems
Top Rated Problems
This month's top
Most Commented On

Chatterbox:
Copyright © 2002 - 2017 by Animus Pactum Consulting. All rights reserved. Privacy Information