10
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$1\ 16 \ 41 \ 55 \ 79 \ 90 \ 103 \ 120 \ 123 \ ?$

What is the last number in this different sequence! If you find it, it will be the end of the life!

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    $\begingroup$ If it helps anyone, the sequence of differences is: 15 25 14 24 11 13 17 3 $\endgroup$ – Khale_Kitha Mar 21 '16 at 18:17
  • $\begingroup$ @Khale_Kitha get out of my dang head $\endgroup$ – question_asker Mar 21 '16 at 18:22
  • $\begingroup$ @question_asker Mua ha ha ha! $\endgroup$ – Khale_Kitha Mar 21 '16 at 18:23
  • $\begingroup$ A direct number to letter sequencing comes to oynxkmqc which appears to be meaningless, even when using an unknown 9th letter. $\endgroup$ – Khale_Kitha Mar 21 '16 at 18:28
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    $\begingroup$ Is it gonna somehow be the letter 'e'? You know, the END of the life? $\endgroup$ – Beastly Gerbil Mar 21 '16 at 18:52
17
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The answer is

135

because that becomes

APOCALYPSE.

Explantation:

Take each letter number (i-1) mod 26 in the alphabet. The sequence must increase so, the next occurance of e is at 135.

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  • $\begingroup$ @question_asker yes, unless this is a coincidence and the answer in completely different :-D $\endgroup$ – Carl Löndahl Mar 21 '16 at 19:05
  • $\begingroup$ I was too lazy to check beyond 16 $\endgroup$ – question_asker Mar 21 '16 at 19:07
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    $\begingroup$ I'm too distracted by the plantation. However, good job, Carl =D $\endgroup$ – Khale_Kitha Mar 21 '16 at 19:08
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    $\begingroup$ Made a slight counting error, should be 135 instead of 134... $\endgroup$ – Carl Löndahl Mar 21 '16 at 20:10
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    $\begingroup$ Just a fun bit of code [1,16,41,55,79,90,103,120,123,135].map(n=>(~-n%26+10).toString(36)) $\endgroup$ – Patrick Roberts Mar 22 '16 at 8:34

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