This can be written as:
2 13 (2+11) 26 (13+13) 41 (26+15)
58 (41+17) 77 (58+17) 98 (77+21) 121 (98+23) 146 (121+25)
Odd numbers are added to obtain the next term, as explained above.
The sequence up to 10 terms would be:
2, 13, 26, 41, 58, 77, 98, 121, 146