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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 6 |
| 3 | 22 |
| 4 | 63 |
| 5 | 139 |
| 6 | 277 |
| 7 | 481 |
| 8 | 785 |
| 9 | 1256 |
| 10 | 1851 |
| 11 | 2688 |
| 12 | 3692 |
| 13 | 5055 |
| 14 | 6731 |
| 15 | 8797 |
| 16 | 11239 |
| 17 | 14175 |
| 18 | 17834 |
| 19 | 21947 |
| 20 | 26701 |
| 21 | 32181 |
| 22 | 38769 |
| 23 | 46002 |
| 24 | 54364 |
| 25 | 63742 |
| 26 | 74455 |
| 27 | 86182 |
| 28 | 99345 |
| 29 | 114094 |
| 30 | 130213 |
| 31 | 148293 |
| 32 | 167991 |
| 33 | 189584 |
| 34 | 212705 |
| 35 | 238497 |
| 36 | 266350 |
| 37 | 297058 |
[1,6,22,63,139,277,481,785,1256,1851,2688,3692, 5055,6731,8797,11239,14175,17834,21947,26701, 32181,38769,46002,54364,63742,74455,86182,99345, 114094,130213,148293,167991,189584,212705,238497, 266350,297058] |