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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 5 |
| 3 | 10 |
| 4 | 20 |
| 5 | 36 |
| 6 | 63 |
| 7 | 106 |
| 8 | 175 |
| 9 | 280 |
| 10 | 439 |
| 11 | 676 |
| 12 | 1024 |
| 13 | 1528 |
| 14 | 2250 |
| 15 | 3276 |
| 16 | 4718 |
| 17 | 6728 |
| 18 | 9507 |
| 19 | 13324 |
| 20 | 18526 |
| 21 | 25574 |
| 22 | 35064 |
| 23 | 47774 |
| 24 | 64701 |
| 25 | 87134 |
| 26 | 116722 |
| 27 | 155572 |
| 28 | 206362 |
| 29 | 272492 |
| 30 | 358265 |
| 31 | 469096 |
| 32 | 611801 |
| 33 | 794916 |
| 34 | 1029126 |
| 35 | 1327738 |
| 36 | 1707322 |
| 37 | 2188432 |
| 38 | 2796528 |
| 39 | 3563048 |
[1,2,5,10,20,36,63,106,175,280,439,676,1024,1528, 2250,3276,4718,6728,9507,13324,18526,25574,35064, 47774,64701,87134,116722,155572,206362,272492, 358265,469096,611801,794916,1029126,1327738, 1707322,2188432,2796528,3563048] |