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| n | a(n) |
|---|---|
| 1 | 5 |
| 2 | 21 |
| 3 | 29 |
| 4 | 105 |
| 5 | 365 |
| 6 | 1135 |
| 7 | 4802 |
| 8 | 21363 |
| 9 | 89321 |
| 10 | 405822 |
| 11 | 1896929 |
| 12 | 8654183 |
| 13 | 39947286 |
| 14 | 186461083 |
| 15 | 865540077 |
| 16 | 4018601808 |
| 17 | 18717997021 |
| 18 | 87117032179 |
| 19 | 405249228148 |
| 20 | 1886517180747 |
| 21 | 8782169235129 |
| 22 | 40874255115294 |
| 23 | 190262826619205 |
[5,21,29,105,365,1135,4802,21363,89321,405822, 1896929,8654183,39947286,186461083,865540077, 4018601808,18717997021,87117032179,405249228148, 1886517180747,8782169235129,40874255115294, 190262826619205] |