Asked by blessing

10 11 13 16 20 after what number comes
Answered by Sugarcandy
25....
so umm
10+1 = 11
11+2 = 13
13+3 = 16
16+4 =20
20+5= 25
i hope this is correct
Answered by PsyDAG
It is correct. Good job!
Answered by mathhelper
btw,
term (n) = (1/2)(n^2 - n + 20) , for n as a natural number
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