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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 4 |
| 3 | 10 |
| 4 | 24 |
| 5 | 43 |
| 6 | 98 |
| 7 | 160 |
| 8 | 286 |
| 9 | 439 |
| 10 | 692 |
| 11 | 956 |
| 12 | 2948 |
| 13 | 4953 |
| 14 | 7154 |
| 15 | 9580 |
| 16 | 13030 |
| 17 | 16497 |
| 18 | 25796 |
| 19 | 35114 |
| 20 | 52432 |
| 21 | 70191 |
| 22 | 88434 |
| 23 | 106700 |
| 24 | 456742 |
| 25 | 806909 |
| 26 | 1157752 |
| 27 | 1509324 |
| 28 | 1882848 |
| 29 | 2256401 |
| 30 | 3439954 |
| 31 | 4623538 |
| 32 | 5839890 |
| 33 | 7057331 |
| 34 | 8275928 |
| 35 | 9495750 |
| 36 | 20793268 |
| 37 | 32090823 |
| 38 | 43389822 |
[1,4,10,24,43,98,160,286,439,692,956,2948,4953, 7154,9580,13030,16497,25796,35114,52432,70191, 88434,106700,456742,806909,1157752,1509324, 1882848,2256401,3439954,4623538,5839890,7057331, 8275928,9495750,20793268,32090823,43389822] |