| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 10 |
| 2 | 10 |
| 3 | 20 |
| 4 | 30 |
| 5 | 50 |
| 6 | 80 |
| 7 | 130 |
| 8 | 210 |
| 9 | 340 |
| 10 | 550 |
| 11 | 890 |
| 12 | 1440 |
| 13 | 2330 |
| 14 | 3770 |
| 15 | 6100 |
| 16 | 9870 |
| 17 | 15970 |
| 18 | 25840 |
| 19 | 41810 |
| 20 | 67650 |
| 21 | 109460 |
| 22 | 177110 |
| 23 | 286570 |
| 24 | 463680 |
| 25 | 750250 |
| 26 | 1213930 |
| 27 | 1964180 |
| 28 | 3178110 |
| 29 | 5142290 |
| 30 | 8320400 |
| 31 | 13462690 |
| 32 | 21783090 |
| 33 | 35245780 |
| 34 | 57028870 |
| 35 | 92274650 |
| 36 | 149303520 |
| 37 | 241578170 |
[0,10,10,20,30,50,80,130,210,340,550,890,1440, 2330,3770,6100,9870,15970,25840,41810,67650, 109460,177110,286570,463680,750250,1213930, 1964180,3178110,5142290,8320400,13462690,21783090, 35245780,57028870,92274650,149303520,241578170] |