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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | 20 |
| 3 | 50 |
| 4 | 92 |
| 5 | 170 |
| 6 | 284 |
| 7 | 434 |
| 8 | 620 |
| 9 | 842 |
| 10 | 1100 |
| 11 | 1394 |
| 12 | 1724 |
| 13 | 2090 |
| 14 | 2492 |
| 15 | 2930 |
| 16 | 3404 |
| 17 | 3914 |
| 18 | 4460 |
| 19 | 5042 |
| 20 | 5660 |
| 21 | 6314 |
| 22 | 7004 |
| 23 | 7730 |
| 24 | 8492 |
| 25 | 9290 |
| 26 | 10124 |
| 27 | 10994 |
| 28 | 11900 |
| 29 | 12842 |
| 30 | 13820 |
| 31 | 14834 |
| 32 | 15884 |
| 33 | 16970 |
| 34 | 18092 |
| 35 | 19250 |
[0,1,20,50,92,170,284,434,620,842,1100,1394,1724, 2090,2492,2930,3404,3914,4460,5042,5660,6314,7004, 7730,8492,9290,10124,10994,11900,12842,13820, 14834,15884,16970,18092,19250] |