0
43.
Alternatively add and subtract, doubling the amount each time, starting with 1:
0 + 1 = 1
1 - 2 = -1
-1 + 4 = 3
3 - 8 = -5
-5 + 16 = 11
11 - 32 = -21
So add 64 for the next term: -21 + 64 = 43
(The next term would then be subtract 128: 43 - 128 = -85)
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∙ 12y ago
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71422315
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312211
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It is 26 followed by 31
How do you find the next number in a sequence?
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The next number in the sequence 3-15-6-30-21 is -207.
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71422315
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a
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20
