sequnces

abd shared this question 1 year ago
Answered

what is the sequence for this : -1 , 1 , 2 ,4 , 5 , 7 , 8 , 10 , 11 ,.........

Comments (3)

photo
1

Sequence(floor(i / 2) + i + 1, i, -1, 10)

photo
1

Hi, an other way :

Join(IterationList(l + 3, l, {{-1, 1}}, 5))

photo
1

execellent ........thanks

photo
© 2020 International GeoGebra Institute