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| n | a(n) |
|---|---|
| 1 | 4 |
| 2 | 7 |
| 3 | 10 |
| 4 | 16 |
| 5 | 49 |
| 6 | 148 |
| 7 | 742 |
| 8 | 5938 |
| 9 | 141808 |
| 10 | 11802091 |
| 11 | 4842570841 |
| 12 | 34593916101529 |
| 13 | 5841428292099230860 |
| 14 | 180784187945837355598287982 |
| 15 | 4732398970947497341225017545892387325 |
| 16 | 1674333602909405576416684722405784994054948834029942 |
[4,7,10,16,49,148,742,5938,141808,11802091, 4842570841,34593916101529,5841428292099230860, 180784187945837355598287982, 4732398970947497341225017545892387325, 16743336029094055764166847224057849940549488340299\ 42] |