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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 2 |
| 3 | 34 |
| 4 | 277 |
| 5 | 1301 |
| 6 | 4426 |
| 7 | 12202 |
| 8 | 29009 |
| 9 | 61777 |
| 10 | 120826 |
| 11 | 220826 |
| 12 | 381877 |
| 13 | 630709 |
| 14 | 1002002 |
| 15 | 1539826 |
| 16 | 2299201 |
| 17 | 3347777 |
| 18 | 4767634 |
| 19 | 6657202 |
| 20 | 9133301 |
| 21 | 12333301 |
| 22 | 16417402 |
| 23 | 21571034 |
| 24 | 28007377 |
| 25 | 35970001 |
| 26 | 45735626 |
| 27 | 57617002 |
| 28 | 71965909 |
| 29 | 89176277 |
| 30 | 109687426 |
| 31 | 133987426 |
| 32 | 162616577 |
| 33 | 196171009 |
| 34 | 235306402 |
| 35 | 280741826 |
[1,1,2,34,277,1301,4426,12202,29009,61777,120826, 220826,381877,630709,1002002,1539826,2299201, 3347777,4767634,6657202,9133301,12333301,16417402, 21571034,28007377,35970001,45735626,57617002, 71965909,89176277,109687426,133987426,162616577, 196171009,235306402,280741826] |