1.18 24 3 +1,4+2,6+3,9+4,13+5,18+6
2.140 1+4,5+9,14+16,30+25,55+36,91+49 加平方
3.25 0 7 (14) 10 (12) 14 (9) 19 (5) 25 (0) 隔位等差
4.13 7+1,8+4,13+9,22+16 加平方
5 .365 3n-1,5*3-1,14*3-1,41*3-1,122*3-1
6.21,34 斐波那契数列,8+13,13+21
7.8 8 1000 200 40 等比,1000-970=30,200-180=20,40-30=10,8-8=0
8.144,377 与6一样,为斐波那契数列 0 ,(1) ,1,(2),3,(5),8,(13),21,(34),55,(89),144,(233),377