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Hey Äva( Ñinja Frozen) if you don't mind showing your attempt and stating precisely where you get stuck
9th Mar 2020, 6:38 AM
✳AsterisK✳
✳AsterisK✳ - avatar
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Äva( Ñinja Frozen) I think it is not a question because you know it is Kollatz Series... right?
9th Mar 2020, 7:01 AM
Oma Falk
Oma Falk - avatar
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try this: i = n%2 k = n + i Sum(F(n)) = (7*k*k + 6*k) / 8 - i*(n+1)/2 Is this right?
17th Mar 2020, 7:15 AM
Den
Den - avatar