1, 0, 3, 11, 15, 13, 17, 24, 23
I believe this is sufficient information to find the 9th through 12th numbers in this sequence
What are the 9th, 10th, 11th, and 12th terms?
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$\begingroup$ Hope this doesn't turn out to be too broad. $\endgroup$– TechidiotCommented Dec 7, 2016 at 14:06
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$\begingroup$ That's my thought $\endgroup$– dcfyjCommented Dec 7, 2016 at 14:06
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$\begingroup$ It looks to me like the 9th number is "23". (Or is that the 11th one? Counting is hard!) $\endgroup$– Peregrine RookCommented Dec 7, 2016 at 17:01
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2 Answers
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The next numbers in the sequence are:
73, 101, 104, 103
The lowest numbers that have $n$ characters when written out, $n$ starting from $n=3$
Full list goes:
1 -> ONE
0 -> ZERO
3 -> THREE
11 -> ELEVEN
15 -> FIFTEEN
13 -> THIRTEEN
17 -> SEVENTEEN
24 -> TWENTY-FOUR
23 -> TWENTY-THREE
73 -> SEVENTY-THREE
101 -> ONE HUNDRED ONE
104 -> ONE HUNDRED FOUR
103 -> ONE HUNDRED THREE
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$\begingroup$ Hmm i see now that next to 15 missing, 7 should be 3 as well. Maybe I'm missing something myself... $\endgroup$– LevieuxCommented Dec 7, 2016 at 14:11
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$\begingroup$ I don't make puzzles well at school T_T sorry $\endgroup$– blehCommented Dec 7, 2016 at 14:12
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3$\begingroup$ These little errors did prevent anyone from looking the series up on oeis.org, though :P $\endgroup$– LevieuxCommented Dec 7, 2016 at 14:19
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1$\begingroup$ @Levieux It's not a bug, it's a feature
:)$\endgroup$– Rubio ♦Commented Dec 7, 2016 at 16:23
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One possible solution to this is:
1, 0, 7, 11, 14, 17, 24, 23, 30, 34, 37, 40, 47, 46, etc
Which is simply
Doing the sequence from 0 forward again (+7, +4, +3, +3, +7, -1, etc)
I think this may have other solutions though.
