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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 3 |
| 3 | 58 |
| 4 | 119 |
| 5 | 177 |
| 6 | 6845 |
| 7 | 7022 |
| 8 | 20889 |
| 9 | 403913 |
| 10 | 828715 |
| 11 | 1232628 |
| 12 | 47668579 |
| 13 | 48901207 |
| 14 | 145470993 |
| 15 | 2812850074 |
| 16 | 5771171141 |
| 17 | 8584021215 |
| 18 | 331963977311 |
| 19 | 340547998526 |
| 20 | 1013059974363 |
| 21 | 19588687511423 |
| 22 | 40190434997209 |
| 23 | 59779122508632 |
| 24 | 2311797090325225 |
[1,1,3,58,119,177,6845,7022,20889,403913,828715, 1232628,47668579,48901207,145470993,2812850074, 5771171141,8584021215,331963977311,340547998526, 1013059974363,19588687511423,40190434997209, 59779122508632,2311797090325225] |