210+21=231
252+22= 274
274+23=297
297+24=321
321+25=346
26+346 = 372
372+27=399
399 + 28 = 427 Jess!
0 + 1 = 1
1+2=3
3 + 3 = 6
6+4 = 10
10 + 5 = 15 Þessar sexur hefðu nú betur fallið annars staðar.
Já. 15+6=21
21 + 7 = 28
28+8=36
36 + 9 = 45
45+10=55