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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 3 |
| 3 | 11 |
| 4 | 58 |
| 5 | 69 |
| 6 | 472 |
| 7 | 541 |
| 8 | 3177 |
| 9 | 10072 |
| 10 | 13249 |
| 11 | 36570 |
| 12 | 1110349 |
| 13 | 2257268 |
| 14 | 3367617 |
| 15 | 12360119 |
| 16 | 65168212 |
| 17 | 77528331 |
| 18 | 530338198 |
| 19 | 607866529 |
| 20 | 3569670843 |
| 21 | 11316879058 |
| 22 | 14886549901 |
| 23 | 41089978860 |
| 24 | 1247585915701 |
| 25 | 2536261810262 |
| 26 | 3783847725963 |
| 27 | 13887804988151 |
[1,2,3,11,58,69,472,541,3177,10072,13249,36570, 1110349,2257268,3367617,12360119,65168212, 77528331,530338198,607866529,3569670843, 11316879058,14886549901,41089978860,1247585915701, 2536261810262,3783847725963,13887804988151] |