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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 60 |
| 3 | 282 |
| 4 | 772 |
| 5 | 1635 |
| 6 | 2976 |
| 7 | 4900 |
| 8 | 7512 |
| 9 | 10917 |
| 10 | 15220 |
| 11 | 20526 |
| 12 | 26940 |
| 13 | 34567 |
| 14 | 43512 |
| 15 | 53880 |
| 16 | 65776 |
| 17 | 79305 |
| 18 | 94572 |
| 19 | 111682 |
| 20 | 130740 |
| 21 | 151851 |
| 22 | 175120 |
| 23 | 200652 |
| 24 | 228552 |
| 25 | 258925 |
| 26 | 291876 |
| 27 | 327510 |
| 28 | 365932 |
| 29 | 407247 |
| 30 | 451560 |
| 31 | 498976 |
| 32 | 549600 |
[1,60,282,772,1635,2976,4900,7512,10917,15220, 20526,26940,34567,43512,53880,65776,79305,94572, 111682,130740,151851,175120,200652,228552,258925, 291876,327510,365932,407247,451560,498976,549600] |