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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 16 |
| 3 | 103 |
| 4 | 169 |
| 5 | 1072 |
| 6 | 6799 |
| 7 | 11153 |
| 8 | 70736 |
| 9 | 448631 |
| 10 | 735929 |
| 11 | 4667504 |
| 12 | 29602847 |
| 13 | 48560161 |
| 14 | 307984528 |
| 15 | 1953339271 |
| 16 | 3204234697 |
| 17 | 20322311344 |
| 18 | 128890789039 |
| 19 | 211430929841 |
| 20 | 1340964564176 |
| 21 | 8504838737303 |
| 22 | 13951237134809 |
| 23 | 88483338924272 |
| 24 | 561190465872959 |
| 25 | 920570219967553 |
[1,16,103,169,1072,6799,11153,70736,448631,735929, 4667504,29602847,48560161,307984528,1953339271, 3204234697,20322311344,128890789039,211430929841, 1340964564176,8504838737303,13951237134809, 88483338924272,561190465872959,920570219967553] |