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A297434 as a simple table
| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 4 |
| 3 | 22 |
| 4 | 42 |
| 5 | 105 |
| 6 | 349 |
| 7 | 1057 |
| 8 | 2834 |
| 9 | 8216 |
| 10 | 24556 |
| 11 | 71651 |
| 12 | 207409 |
| 13 | 608985 |
| 14 | 1791636 |
| 15 | 5251548 |
| 16 | 15401954 |
| 17 | 45271039 |
| 18 | 133066199 |
| 19 | 390990659 |
| 20 | 1149260888 |
| 21 | 3379206474 |
| 22 | 9935995300 |
| 23 | 29215600841 |
| 24 | 85913309363 |
| 25 | 252656693545 |
| 26 | 743030170284 |
[1,4,22,42,105,349,1057,2834,8216,24556,71651, 207409,608985,1791636,5251548,15401954,45271039, 133066199,390990659,1149260888,3379206474, 9935995300,29215600841,85913309363,252656693545, 743030170284] |