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| n | a(n) |
|---|---|
| 1 | 11 |
| 2 | 170 |
| 3 | 1161 |
| 4 | 3900 |
| 5 | 10741 |
| 6 | 22380 |
| 7 | 44491 |
| 8 | 76610 |
| 9 | 126336 |
| 10 | 194070 |
| 11 | 290651 |
| 12 | 410860 |
| 13 | 577721 |
| 14 | 779340 |
| 15 | 1035676 |
| 16 | 1345030 |
| 17 | 1730696 |
| 18 | 2176040 |
| 19 | 2724036 |
| 20 | 3345880 |
| 21 | 4087656 |
| 22 | 4933200 |
| 23 | 5921991 |
| 24 | 7018210 |
| 25 | 8300896 |
| 26 | 9723300 |
| 27 | 11339151 |
| 28 | 13122120 |
| 29 | 15150271 |
| 30 | 17345140 |
| 31 | 19843056 |
[11,170,1161,3900,10741,22380,44491,76610,126336, 194070,290651,410860,577721,779340,1035676, 1345030,1730696,2176040,2724036,3345880,4087656, 4933200,5921991,7018210,8300896,9723300,11339151, 13122120,15150271,17345140,19843056] |