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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 3 |
| 2 | 17 |
| 3 | 50 |
| 4 | 110 |
| 5 | 205 |
| 6 | 343 |
| 7 | 532 |
| 8 | 780 |
| 9 | 1095 |
| 10 | 1485 |
| 11 | 1958 |
| 12 | 2522 |
| 13 | 3185 |
| 14 | 3955 |
| 15 | 4840 |
| 16 | 5848 |
| 17 | 6987 |
| 18 | 8265 |
| 19 | 9690 |
| 20 | 11270 |
| 21 | 13013 |
| 22 | 14927 |
| 23 | 17020 |
| 24 | 19300 |
| 25 | 21775 |
| 26 | 24453 |
| 27 | 27342 |
| 28 | 30450 |
| 29 | 33785 |
| 30 | 37355 |
| 31 | 41168 |
| 32 | 45232 |
| 33 | 49555 |
| 34 | 54145 |
| 35 | 59010 |
| 36 | 64158 |
| 37 | 69597 |
| 38 | 75335 |
| 39 | 81380 |
| 40 | 87740 |
| 41 | 94423 |
[0,3,17,50,110,205,343,532,780,1095,1485,1958, 2522,3185,3955,4840,5848,6987,8265,9690,11270, 13013,14927,17020,19300,21775,24453,27342,30450, 33785,37355,41168,45232,49555,54145,59010,64158, 69597,75335,81380,87740,94423] |