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| n | a(n) |
|---|---|
| 1 | 5 |
| 2 | 8 |
| 3 | 4 |
| 4 | 25 |
| 5 | 50 |
| 6 | 98 |
| 7 | 359 |
| 8 | 766 |
| 9 | 1932 |
| 10 | 5677 |
| 11 | 12860 |
| 12 | 34902 |
| 13 | 92923 |
| 14 | 224468 |
| 15 | 609898 |
| 16 | 1569799 |
| 17 | 3969016 |
| 18 | 10617506 |
| 19 | 27213371 |
| 20 | 70541934 |
| 21 | 186417464 |
| 22 | 481204483 |
| 23 | 1261639106 |
| 24 | 3316784004 |
| 25 | 8641317351 |
| 26 | 22770348996 |
| 27 | 59873020940 |
| 28 | 157234586213 |
[5,8,4,25,50,98,359,766,1932,5677,12860,34902, 92923,224468,609898,1569799,3969016,10617506, 27213371,70541934,186417464,481204483,1261639106, 3316784004,8641317351,22770348996,59873020940, 157234586213] |