| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | 27 |
| 3 | 78 |
| 4 | 154 |
| 5 | 255 |
| 6 | 381 |
| 7 | 532 |
| 8 | 708 |
| 9 | 909 |
| 10 | 1135 |
| 11 | 1386 |
| 12 | 1662 |
| 13 | 1963 |
| 14 | 2289 |
| 15 | 2640 |
| 16 | 3016 |
| 17 | 3417 |
| 18 | 3843 |
| 19 | 4294 |
| 20 | 4770 |
| 21 | 5271 |
| 22 | 5797 |
| 23 | 6348 |
| 24 | 6924 |
| 25 | 7525 |
| 26 | 8151 |
| 27 | 8802 |
| 28 | 9478 |
| 29 | 10179 |
| 30 | 10905 |
| 31 | 11656 |
| 32 | 12432 |
| 33 | 13233 |
| 34 | 14059 |
| 35 | 14910 |
| 36 | 15786 |
| 37 | 16687 |
| 38 | 17613 |
| 39 | 18564 |
| 40 | 19540 |
[0,1,27,78,154,255,381,532,708,909,1135,1386,1662, 1963,2289,2640,3016,3417,3843,4294,4770,5271,5797, 6348,6924,7525,8151,8802,9478,10179,10905,11656, 12432,13233,14059,14910,15786,16687,17613,18564, 19540] |