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| n | a(n) |
|---|---|
| 1 | 17796 |
| 2 | 59396 |
| 3 | 206724 |
| 4 | 725596 |
| 5 | 2506320 |
| 6 | 8357144 |
| 7 | 26422104 |
| 8 | 86279700 |
| 9 | 288823480 |
| 10 | 976092436 |
| 11 | 3303308838 |
| 12 | 11137732182 |
| 13 | 37232844264 |
| 14 | 124474570808 |
| 15 | 418098128246 |
| 16 | 1410089571018 |
| 17 | 4764258779870 |
| 18 | 16098494618024 |
| 19 | 54359847345922 |
[17796,59396,206724,725596,2506320,8357144, 26422104,86279700,288823480,976092436,3303308838, 11137732182,37232844264,124474570808,418098128246, 1410089571018,4764258779870,16098494618024, 54359847345922] |