
Math General Math Forum  For general math related discussion and news 
 LinkBack  Thread Tools  Display Modes 
March 31st, 2017, 03:34 AM  #1 
Newbie Joined: Mar 2017 From: Greece Posts: 1 Thanks: 0  Need help with this sequence
123456789, 21230569, 26054, 1204, x I need to find what's next (x) Any help appreciated. Last edited by skipjack; March 31st, 2017 at 06:03 PM. 
March 31st, 2017, 04:40 PM  #2 
Math Team Joined: Oct 2011 From: Ottawa Ontario, Canada Posts: 10,472 Thanks: 693 
Are you serious?!

March 31st, 2017, 05:28 PM  #3 
Newbie Joined: Mar 2017 From: Minnesota, USA Posts: 6 Thanks: 0 Math Focus: All  Last edited by skipjack; March 31st, 2017 at 06:02 PM. 
April 2nd, 2017, 04:20 PM  #4 
Senior Member Joined: Oct 2013 From: New York, USA Posts: 549 Thanks: 78  
April 19th, 2017, 03:10 AM  #5 
Newbie Joined: Apr 2017 From: durban Posts: 10 Thanks: 0 Math Focus: Algebra 
X = T5 T1 = 123456789 D = T2  T1 D =102226220 T5 = a +4d = 123456789 + 4(102226220) 123456789  408904880 X = 285448091 
April 19th, 2017, 01:20 PM  #6 
Global Moderator Joined: Dec 2006 Posts: 17,919 Thanks: 1385 
That makes no sense. There must be something other than just addition or subtraction behind this puzzle. It must be more like solving a crossword clue, but based on numbers rather than letters.


Tags 
sequence 
Search tags for this page 
Click on a term to search for related topics.

Thread Tools  
Display Modes  

Similar Threads  
Thread  Thread Starter  Forum  Replies  Last Post 
Arithmetic Sequence & Geometric Sequence Question  Tomedb  Algebra  1  November 3rd, 2016 03:17 PM 
Fibonacci sequence is connected to Prime sequence  Rahul k  New Users  2  May 12th, 2015 05:51 PM 
Sequence  nandofab  Algebra  5  February 26th, 2015 03:44 AM 
sequence of the average of a sequence  elim  Real Analysis  8  May 23rd, 2010 12:23 PM 
cauchy sequence that isn't a fast cauchy sequence  babyRudin  Real Analysis  6  October 10th, 2008 11:11 AM 