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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 10 |
| 2 | 50 |
| 3 | 170 |
| 4 | 450 |
| 5 | 1002 |
| 6 | 1970 |
| 7 | 3530 |
| 8 | 5890 |
| 9 | 9290 |
| 10 | 14002 |
| 11 | 20330 |
| 12 | 28610 |
| 13 | 39210 |
| 14 | 52530 |
| 15 | 69002 |
| 16 | 89090 |
| 17 | 113290 |
| 18 | 142130 |
| 19 | 176170 |
| 20 | 216002 |
| 21 | 262250 |
| 22 | 315570 |
| 23 | 376650 |
| 24 | 446210 |
| 25 | 525002 |
| 26 | 613810 |
| 27 | 713450 |
| 28 | 824770 |
| 29 | 948650 |
| 30 | 1086002 |
| 31 | 1237770 |
| 32 | 1404930 |
| 33 | 1588490 |
| 34 | 1789490 |
| 35 | 2009002 |
| 36 | 2248130 |
[1,10,50,170,450,1002,1970,3530,5890,9290,14002, 20330,28610,39210,52530,69002,89090,113290,142130, 176170,216002,262250,315570,376650,446210,525002, 613810,713450,824770,948650,1086002,1237770, 1404930,1588490,1789490,2009002,2248130] |