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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 7 |
| 3 | 29 |
| 4 | 86 |
| 5 | 198 |
| 6 | 396 |
| 7 | 719 |
| 8 | 1203 |
| 9 | 1899 |
| 10 | 2866 |
| 11 | 4156 |
| 12 | 5840 |
| 13 | 7997 |
| 14 | 10695 |
| 15 | 14025 |
| 16 | 18086 |
| 17 | 22962 |
| 18 | 28764 |
| 19 | 35611 |
| 20 | 43603 |
| 21 | 52871 |
| 22 | 63554 |
| 23 | 75768 |
| 24 | 89664 |
| 25 | 105401 |
| 26 | 123111 |
| 27 | 142965 |
| 28 | 165142 |
| 29 | 189790 |
| 30 | 217100 |
| 31 | 247271 |
| 32 | 280467 |
| 33 | 316899 |
| 34 | 356786 |
| 35 | 400308 |
| 36 | 447696 |
| 37 | 499189 |
| 38 | 554983 |
[1,7,29,86,198,396,719,1203,1899,2866,4156,5840, 7997,10695,14025,18086,22962,28764,35611,43603, 52871,63554,75768,89664,105401,123111,142965, 165142,189790,217100,247271,280467,316899,356786, 400308,447696,499189,554983] |