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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | 58 |
| 3 | 676 |
| 4 | 3486 |
| 5 | 11963 |
| 6 | 32134 |
| 7 | 73294 |
| 8 | 148718 |
| 9 | 276373 |
| 10 | 479632 |
| 11 | 787986 |
| 12 | 1237756 |
| 13 | 1872809 |
| 14 | 2745266 |
| 15 | 3916220 |
| 16 | 5456444 |
| 17 | 7447107 |
| 18 | 9980486 |
| 19 | 13160678 |
| 20 | 17104314 |
| 21 | 21941271 |
| 22 | 27815384 |
| 23 | 34885162 |
| 24 | 43324496 |
| 25 | 53323377 |
| 26 | 65088604 |
| 27 | 78844500 |
| 28 | 94833624 |
| 29 | 113317483 |
| 30 | 134577246 |
[0,1,58,676,3486,11963,32134,73294,148718,276373, 479632,787986,1237756,1872809,2745266,3916220, 5456444,7447107,9980486,13160678,17104314, 21941271,27815384,34885162,43324496,53323377, 65088604,78844500,94833624,113317483,134577246] |