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| n | a(n) |
|---|---|
| 1 | 144 |
| 2 | 3132 |
| 3 | 76788 |
| 4 | 1882500 |
| 5 | 46589268 |
| 6 | 1148040516 |
| 7 | 28402185108 |
| 8 | 700525554180 |
| 9 | 17321067229140 |
| 10 | 427424478219972 |
| 11 | 10564355081565972 |
| 12 | 260773436696057988 |
| 13 | 6443737539288281940 |
| 14 | 159091220790299549508 |
| 15 | 3930517719610405689492 |
[144,3132,76788,1882500,46589268,1148040516, 28402185108,700525554180,17321067229140, 427424478219972,10564355081565972, 260773436696057988,6443737539288281940, 159091220790299549508,3930517719610405689492] |