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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 2 |
| 3 | 560 |
| 4 | 43760 |
| 5 | 163854 |
| 6 | 164018 |
| 7 | 870899850 |
| 8 | 870899852 |
| 9 | 870900354 |
| 10 | 870900360 |
| 11 | 870900362 |
| 12 | 870907842 |
| 13 | 870907848 |
| 14 | 870907850 |
| 15 | 870977340 |
| 16 | 870977342 |
| 17 | 871016994 |
| 18 | 871017138 |
| 19 | 871017144 |
| 20 | 871018188 |
| 21 | 871018190 |
| 22 | 871018440 |
| 23 | 871018442 |
| 24 | 871025312 |
[0,2,560,43760,163854,164018,870899850,870899852, 870900354,870900360,870900362,870907842,870907848, 870907850,870977340,870977342,871016994,871017138, 871017144,871018188,871018190,871018440,871018442, 871025312] |