We do the same again and again we get |
1st series: 1 1 2 3 5 8 13 21 34 55 89 2nd series: 1 2 3 5 8 13 21 34 55 89 144 3rd series: 2 4 6 10 16 26 42 68 110 178 288 4th series: 4 7 11 18 29 47 76 123 199 322 521 5th series: 7 12 19 31 50 81 131 212 343 555 898 6th series: 12 20 32 52 84 136 220 356 576 932 1508 |