Răspuns :
12,13,25,38,63,101,164,265,429
REGULA este daca 12+13=25+38=63 adunam numerele care sunt langa olalta
REGULA este daca 12+13=25+38=63 adunam numerele care sunt langa olalta
12,13,12+13 (=25),13+25 (=38),25+38(=63),....
=> sirul este:12,13,25,38,63,101,164,265,429
=> sirul este:12,13,25,38,63,101,164,265,429