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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 2 |
| 2 | 7 |
| 3 | 17 |
| 4 | 35 |
| 5 | 65 |
| 6 | 112 |
| 7 | 182 |
| 8 | 282 |
| 9 | 420 |
| 10 | 605 |
| 11 | 847 |
| 12 | 1157 |
| 13 | 1547 |
| 14 | 2030 |
| 15 | 2620 |
| 16 | 3332 |
| 17 | 4182 |
| 18 | 5187 |
| 19 | 6365 |
| 20 | 7735 |
| 21 | 9317 |
| 22 | 11132 |
| 23 | 13202 |
| 24 | 15550 |
| 25 | 18200 |
| 26 | 21177 |
| 27 | 24507 |
| 28 | 28217 |
| 29 | 32335 |
| 30 | 36890 |
| 31 | 41912 |
| 32 | 47432 |
| 33 | 53482 |
| 34 | 60095 |
| 35 | 67305 |
| 36 | 75147 |
| 37 | 83657 |
| 38 | 92872 |
| 39 | 102830 |
| 40 | 113570 |
| 41 | 125132 |
| 42 | 137557 |
[0,2,7,17,35,65,112,182,282,420,605,847,1157,1547, 2030,2620,3332,4182,5187,6365,7735,9317,11132, 13202,15550,18200,21177,24507,28217,32335,36890, 41912,47432,53482,60095,67305,75147,83657,92872, 102830,113570,125132,137557] |