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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 14 |
| 2 | 182 |
| 3 | 2366 |
| 4 | 30590 |
| 5 | 395486 |
| 6 | 5105870 |
| 7 | 65919182 |
| 8 | 850586702 |
| 9 | 10975573182 |
| 10 | 141586912166 |
| 11 | 1826501185054 |
| 12 | 23558885899318 |
| 13 | 303871575267918 |
| 14 | 3919114007263518 |
| 15 | 50545912921275198 |
| 16 | 651868436561980638 |
| 17 | 8406864950367314046 |
| 18 | 108415583649894484278 |
| 19 | 1398136240855886669662 |
| 20 | 18029995593288775967598 |
[1,14,182,2366,30590,395486,5105870,65919182, 850586702,10975573182,141586912166,1826501185054, 23558885899318,303871575267918,3919114007263518, 50545912921275198,651868436561980638, 8406864950367314046,108415583649894484278, 1398136240855886669662,18029995593288775967598] |