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| n | a(n) |
|---|---|
| 1 | 144 |
| 2 | 1152 |
| 3 | 15300 |
| 4 | 83104 |
| 5 | 801504 |
| 6 | 1850212 |
| 7 | 7085124 |
| 8 | 12360640 |
| 9 | 32146272 |
| 10 | 102484260 |
| 11 | 143058304 |
| 12 | 346570564 |
| 13 | 579077604 |
| 14 | 734807392 |
| 15 | 1146417984 |
| 16 | 2090536452 |
| 17 | 3574012320 |
| 18 | 4222308004 |
| 19 | 6749732224 |
| 20 | 9020083104 |
| 21 | 10364201572 |
| 22 | 15383815360 |
| 23 | 19693501632 |
| 24 | 27918198180 |
| 25 | 42933982084 |
| 26 | 52547432004 |
[144,1152,15300,83104,801504,1850212,7085124, 12360640,32146272,102484260,143058304,346570564, 579077604,734807392,1146417984,2090536452, 3574012320,4222308004,6749732224,9020083104, 10364201572,15383815360,19693501632,27918198180, 42933982084,52547432004] |