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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 7 |
| 3 | 20 |
| 4 | 46 |
| 5 | 91 |
| 6 | 162 |
| 7 | 267 |
| 8 | 415 |
| 9 | 616 |
| 10 | 881 |
| 11 | 1222 |
| 12 | 1652 |
| 13 | 2185 |
| 14 | 2836 |
| 15 | 3621 |
| 16 | 4557 |
| 17 | 5662 |
| 18 | 6955 |
| 19 | 8456 |
| 20 | 10186 |
| 21 | 12167 |
| 22 | 14422 |
| 23 | 16975 |
| 24 | 19851 |
| 25 | 23076 |
| 26 | 26677 |
| 27 | 30682 |
| 28 | 35120 |
| 29 | 40021 |
| 30 | 45416 |
| 31 | 51337 |
| 32 | 57817 |
| 33 | 64890 |
| 34 | 72591 |
| 35 | 80956 |
| 36 | 90022 |
| 37 | 99827 |
| 38 | 110410 |
| 39 | 121811 |
| 40 | 134071 |
[1,2,7,20,46,91,162,267,415,616,881,1222,1652, 2185,2836,3621,4557,5662,6955,8456,10186,12167, 14422,16975,19851,23076,26677,30682,35120,40021, 45416,51337,57817,64890,72591,80956,90022,99827, 110410,121811,134071] |