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| n | a(n) |
|---|---|
| 1 | 420 |
| 2 | 630 |
| 3 | 840 |
| 4 | 1980 |
| 5 | 3003 |
| 6 | 7140 |
| 7 | 7560 |
| 8 | 9240 |
| 9 | 13860 |
| 10 | 15120 |
| 11 | 25200 |
| 12 | 43680 |
| 13 | 53130 |
| 14 | 55440 |
| 15 | 72072 |
| 16 | 90090 |
| 17 | 116280 |
| 18 | 120120 |
| 19 | 142506 |
| 20 | 277200 |
| 21 | 278256 |
| 22 | 332640 |
| 23 | 371280 |
| 24 | 415800 |
| 25 | 450450 |
| 26 | 480480 |
| 27 | 813960 |
| 28 | 1113840 |
| 29 | 1261260 |
| 30 | 1801800 |
| 31 | 2018940 |
| 32 | 2441880 |
| 33 | 2702700 |
| 34 | 3255840 |
| 35 | 3326400 |
[420,630,840,1980,3003,7140,7560,9240,13860,15120, 25200,43680,53130,55440,72072,90090,116280,120120, 142506,277200,278256,332640,371280,415800,450450, 480480,813960,1113840,1261260,1801800,2018940, 2441880,2702700,3255840,3326400] |