Help 1,3,7,13,21_ _ next please I don't know the answer

Svlasov asked Dec 2, 2023

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26 votes

Svlasov asked Dec 2, 2023

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26 votes

Their differences are in arithmetic progression
1+2=3
3+4=7
7+6=13
13+8=21
21+10= 31
So next term is clearly 31

HoRiz answered Dec 8, 2023

by HoRiz

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