My Math Forum > Math sequence of number

 Math General Math Forum - For general math related discussion and news

 January 17th, 2017, 11:32 PM #1 Newbie   Joined: Jan 2017 From: Canada Posts: 2 Thanks: 0 sequence of number Hi Can you help to find the next number for this sequence : 19 13 23 22 27 31...? I have been trying since last week. Thanks
 January 18th, 2017, 01:25 AM #2 Senior Member   Joined: Apr 2014 From: Glasgow Posts: 2,156 Thanks: 731 Math Focus: Physics, mathematical modelling, numerical and computational solutions I think the pattern is: First two terms are 19 and 13. Subsequent odd terms: Add 4 to last odd term Subsequent even terms: Add 9 to last even term The next number in the sequence is the seventh term (and odd term). Therefore the next number is 31, because we add 4 to 27.
 January 18th, 2017, 02:38 AM #3 Member   Joined: Sep 2016 From: India Posts: 88 Thanks: 30 $19, 13,$ Now, add $4$ with $19$ $19+4=23$ $19, 13, 23$ Next, add $9$ with $13$ $13+9=22$ $19, 13, 23, 22$ add $4$ with $23$ $23+4=27$ $19, 13, 23, 22, 27$ add $9$ with $22$ $22+9=31$ $19, 13, 23, 22, 27, 31$ add $4$ with $27$ $27+4=31$ $19, 13, 23, 22, 27, 31, 31,...$ Thus, next number is $31$
 January 18th, 2017, 01:16 PM #4 Newbie   Joined: Jan 2017 From: Canada Posts: 2 Thanks: 0 Thanks... I got it finally.

 Tags number, sequence

 Thread Tools Display Modes Linear Mode

 Similar Threads Thread Thread Starter Forum Replies Last Post Sequence Probability and Statistics 1 October 20th, 2015 06:12 AM thebroker Number Theory 4 February 17th, 2012 05:44 AM miket Number Theory 0 November 7th, 2010 03:06 AM aykantspel Real Analysis 4 March 18th, 2009 01:59 PM conjecture Applied Math 5 April 13th, 2008 10:57 AM

 Contact - Home - Forums - Cryptocurrency Forum - Top