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| n | a(n) |
|---|---|
| 1 | 19 |
| 2 | 171 |
| 3 | 271 |
| 4 | 1428 |
| 5 | 2178 |
| 6 | 3781 |
| 7 | 4053 |
| 8 | 9303 |
| 9 | 19459 |
| 10 | 37980 |
| 11 | 51238 |
| 12 | 52669 |
| 13 | 71316 |
| 14 | 97083 |
| 15 | 127014 |
| 16 | 147978 |
| 17 | 188074 |
| 18 | 411675 |
| 19 | 733591 |
| 20 | 1018171 |
| 21 | 1620010 |
| 22 | 1701078 |
| 23 | 1753416 |
| 24 | 2159496 |
| 25 | 2642781 |
| 26 | 4542678 |
| 27 | 5244753 |
| 28 | 7337736 |
| 29 | 10217611 |
| 30 | 12251265 |
| 31 | 16212831 |
| 32 | 17100132 |
| 33 | 35839545 |
| 34 | 43400544 |
[19,171,271,1428,2178,3781,4053,9303,19459,37980, 51238,52669,71316,97083,127014,147978,188074, 411675,733591,1018171,1620010,1701078,1753416, 2159496,2642781,4542678,5244753,7337736,10217611, 12251265,16212831,17100132,35839545,43400544] |