If 2+7=57 3+6=63 5+9=206 Then 4+8=?

If 2+7=57
3+6=63
5+9=206
Then
4+8=?

If 2+6+7=24 3+4+4=40 8+2+8=73 Then 7+3+9=??

If 2+6+7=24 3+4+4=40 8+2+8=73 Then 7+3+9=??

Three sequences

Three sequences: 2, 9, 16, 23... 3, 8, 13, 18, 23... 3, 7, 11, 15, 19, 23... What is the next number to appear in all three sequences?

17,40,61,80,97,...?

What is the next number in the series 17,40,61,80,97,...