What is the next number in series - 2, 3, 10, 15, 26, ??

Question

On behalf of Sture Sjöstedt

Answer 1

2, 3, 10, 15, 26, 35

Comments

What is the logic??

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2, 3
then 2 + 8 = 10
then 3 + 12 = 15
than 10 + 16 = 26
so 15 + 20 = 35

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OR
1*1 + 1 = 2
2*2 - 1 = 3
3*3 + 1 = 10
4*4 - 1 = 15
5*5 + 1 = 26
so, 6*6 - 1 =35