perplexus.info :: Sequences

Home > Numbers > Sequences

These problems deal with sequences of numbers. Can you spot what the sequences' rules are?

Latest: Simple recursion

It is given that f(x) is a function defined on R, satisfying f(1) = 1, and for any x ∈ R,
f(x+5)>f(x)+4 and f(x+1)<f(x)+2 .

If g(x)=f(x)+1-x evaluate g(2018).

Submitted on 2018-04-08 by Ady TZIDON

Page 1 of 24

next >>

Prime records | Rating: 5.00
Posted on 2018-04-06 by Math Man (No Solution Yet, 3 Comments)

One square implies many |
Posted on 2018-03-28 by Ady TZIDON (No Solution Yet, 6 Comments)

Starting with 1,2,3 |
Posted on 2018-03-17 by Ady TZIDON (No Solution Yet, 1 Comments)

Seven given - the eighth TBD |
Posted on 2018-03-14 by Ady TZIDON (Solution Posted, 6 Comments)

15=5*3 |
Posted on 2018-03-01 by Ady TZIDON (Solution Posted, 1 Comments)

Verify and prove |
Posted on 2017-12-10 by Ady TZIDON (No Solution Yet, 5 Comments)

All, except two |
Posted on 2017-12-09 by Ady TZIDON (No Solution Yet, 4 Comments)

Expose ambiguity II |
Posted on 2017-11-09 by Ady TZIDON (No Solution Yet, 1 Comments)

A recursive game |
Posted on 2017-10-27 by Ady TZIDON (No Solution Yet, 1 Comments)

The next five... |
Posted on 2017-09-20 by Charlie (Solution Posted, 2 Comments)

Does it continue? 1: Chord regions |
Posted on 2017-09-13 by Jer (No Solution Yet, 9 Comments)

Sans squares |
Posted on 2017-09-12 by Ady TZIDON (No Solution Yet, 1 Comments)

Lots of lods | Rating: 4.67
Posted on 2017-09-10 by Ady TZIDON (No Solution Yet, 7 Comments)

Two erased numbers |
Posted on 2017-08-24 by Ady TZIDON (No Solution Yet, 5 Comments)

Please log in:

Forums (0)
Newest Problems
Random Problem
FAQ | About This Site
Site Statistics
New Comments (1)
Unsolved Problems
Top Rated Problems
This month's top
Most Commented On

Chatterbox:


perplexus dot info