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| n | a(n) |
|---|---|
| 1 | 90 |
| 2 | 15960 |
| 3 | 24360 |
| 4 | 1047480 |
| 5 | 2605680 |
| 6 | 2856000 |
| 7 | 3605070 |
| 8 | 4438560 |
| 9 | 5268900 |
| 10 | 17958150 |
| 11 | 21955290 |
| 12 | 23910600 |
| 13 | 37284660 |
| 14 | 40198200 |
| 15 | 62438460 |
| 16 | 64094520 |
| 17 | 66134250 |
| 18 | 70590030 |
| 19 | 77649390 |
| 20 | 83360970 |
| 21 | 90070470 |
| 22 | 93143820 |
| 23 | 98228130 |
| 24 | 117164040 |
| 25 | 131312160 |
| 26 | 151078830 |
| 27 | 154904820 |
[90,15960,24360,1047480,2605680,2856000,3605070, 4438560,5268900,17958150,21955290,23910600, 37284660,40198200,62438460,64094520,66134250, 70590030,77649390,83360970,90070470,93143820, 98228130,117164040,131312160,151078830,154904820] |