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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 161051 |
| 2 | 4084101 |
| 3 | 28629151 |
| 4 | 115856201 |
| 5 | 345025251 |
| 6 | 844596301 |
| 7 | 1804229351 |
| 8 | 3486784401 |
| 9 | 6240321451 |
| 10 | 10510100501 |
| 11 | 16850581551 |
| 12 | 25937424601 |
| 13 | 38579489651 |
| 14 | 55730836701 |
| 15 | 78502725751 |
| 16 | 108175616801 |
| 17 | 146211169851 |
| 18 | 194264244901 |
| 19 | 254194901951 |
[1,161051,4084101,28629151,115856201,345025251, 844596301,1804229351,3486784401,6240321451, 10510100501,16850581551,25937424601,38579489651, 55730836701,78502725751,108175616801,146211169851, 194264244901,254194901951] |