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| n | a(n) |
|---|---|
| 1 | 3 |
| 2 | 30 |
| 3 | 127 |
| 4 | 301 |
| 5 | 647 |
| 6 | 1100 |
| 7 | 1851 |
| 8 | 2715 |
| 9 | 4027 |
| 10 | 5434 |
| 11 | 7463 |
| 12 | 9545 |
| 13 | 12447 |
| 14 | 15336 |
| 15 | 19267 |
| 16 | 23095 |
| 17 | 28211 |
| 18 | 33110 |
| 19 | 39567 |
| 20 | 45669 |
| 21 | 53623 |
| 22 | 61060 |
| 23 | 70667 |
| 24 | 79571 |
| 25 | 90987 |
| 26 | 101490 |
| 27 | 114871 |
| 28 | 127105 |
| 29 | 142607 |
| 30 | 156704 |
| 31 | 174483 |
| 32 | 190575 |
| 33 | 210787 |
| 34 | 229006 |
| 35 | 251807 |
| 36 | 272285 |
| 37 | 297831 |
| 38 | 320700 |
[3,30,127,301,647,1100,1851,2715,4027,5434,7463, 9545,12447,15336,19267,23095,28211,33110,39567, 45669,53623,61060,70667,79571,90987,101490,114871, 127105,142607,156704,174483,190575,210787,229006, 251807,272285,297831,320700] |