Răspuns :
1=1
4=3x1+1
13=3x4+1
40=13x3+1
T1=40x3+1 => T1=121
T2=121x3+1 => T2=364
T3=364x3+1 => T3=1093
T4=1093x3+1 => T4=3280
T5=3280x3+1 => T5=9841
4=3x1+1
13=3x4+1
40=13x3+1
T1=40x3+1 => T1=121
T2=121x3+1 => T2=364
T3=364x3+1 => T3=1093
T4=1093x3+1 => T4=3280
T5=3280x3+1 => T5=9841