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| n | a(n) |
|---|---|
| 1 | 5 |
| 2 | 53 |
| 3 | 5323 |
| 4 | 532313 |
| 5 | 53231317 |
| 6 | 5323131719 |
| 7 | 532313171911 |
| 8 | 53231317191131 |
| 9 | 5323131719113147 |
| 10 | 5323131719113147109 |
| 11 | 532313171911314710989 |
| 12 | 532313171911314710989571 |
| 13 | 53231317191131471098957153 |
| 14 | 53231317191131471098957153271 |
| 15 | 53231317191131471098957153271149 |
| 16 | 53231317191131471098957153271149151 |
[5,53,5323,532313,53231317,5323131719, 532313171911,53231317191131,5323131719113147, 5323131719113147109,532313171911314710989, 532313171911314710989571, 53231317191131471098957153, 53231317191131471098957153271, 53231317191131471098957153271149, 53231317191131471098957153271149151] |