A formula an of sequence 1 2 / 3 3 / 5 4 / 7 5 / 9 is
n/(2n-1)
Sequence 1,2,2,3,3,3,4,4,4,5,5,5,5,5 The general formula of is?
The nth term of a sequence is an if an = K
There are
1+2+...+(k-1)
2,5,10,17,26,37……
Sn=n^2+1