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| n | a(n) |
|---|---|
| 1 | 175616 |
| 2 | 209216 |
| 3 | 250304 |
| 4 | 303488 |
| 5 | 430208 |
| 6 | 630080 |
| 7 | 983168 |
| 8 | 1890368 |
| 9 | 3876992 |
| 10 | 8594432 |
| 11 | 21633920 |
| 12 | 56280896 |
| 13 | 151174016 |
| 14 | 425070656 |
| 15 | 1208783744 |
| 16 | 3475570688 |
| 17 | 10157902208 |
| 18 | 29817258560 |
| 19 | 87902960768 |
| 20 | 260802882368 |
[175616,209216,250304,303488,430208,630080,983168, 1890368,3876992,8594432,21633920,56280896, 151174016,425070656,1208783744,3475570688, 10157902208,29817258560,87902960768,260802882368] |