jasen Posted August 17, 2016 Report Share Posted August 17, 2016 (edited) Find next 2 numbers 24,60,210,504,1716,2730,...,... Edited August 17, 2016 by jasen Quote Link to comment Share on other sites More sharing options...
0 rocdocmac Posted August 17, 2016 Report Share Posted August 17, 2016 24, 60, 210, 504, 1716, 2730, 4542, 6738 (??) Quote Link to comment Share on other sites More sharing options...
-1 jasen Posted August 17, 2016 Author Report Share Posted August 17, 2016 Just now, rocdocmac said: 24, 60, 210, 504, 1716, 2730, 4542, 6738 (??) wrong. Quote Link to comment Share on other sites More sharing options...
0 rocdocmac Posted August 18, 2016 Report Share Posted August 18, 2016 Maybe a wrong answer, but possibly a valid solution! Two "split" series: (1) 24, 210, 1716 , 4542, ...., and (2) 60, 504, 2730, 6738, ... if we consider two polynomial series: 1st: y = 660x^2 - 1794x + 1158 2nd: y = 891x^2 - 2229x +1398 Far fetched? Quote Link to comment Share on other sites More sharing options...
0 jas Posted August 18, 2016 Report Share Posted August 18, 2016 (edited) The series 33-3=24 43-4=60 . 63-6=210 83-8=504 123-12=1716 143-14=2730 243-24=13800 223-22=10626 4,8,14,22-series--4=12+3 8=22+4 14=32+5 22=42+6 3,6,12,24----with common ratio 2 The series 33-3=24 43-4=60 . 63-6=210 83-8=504 123-12=1716 143-14=2730 243-24=13800 223-22=10626 1st series 4,8,14,22-series 4=12+3 8=22+4 14=32+5 22=42+6 2nd series 3,6,12,24----with common ratio 2 Edited August 18, 2016 by jas Quote Link to comment Share on other sites More sharing options...
0 jasen Posted August 19, 2016 Author Report Share Posted August 19, 2016 1st clue : Prime numbers. Quote Link to comment Share on other sites More sharing options...
0 Thalia Posted August 20, 2016 Report Share Posted August 20, 2016 Spoiler 5814, 7980 List prime numbers. Multiply by next two higher numbers. 2.3.4 3.4.5 5.6.7 . . . 17.18.19 19.20.21 Quote Link to comment Share on other sites More sharing options...
Question
jasen
Find next 2 numbers
24,60,210,504,1716,2730,...,...
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