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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 3 |
| 4 | 4 |
| 5 | 5 |
| 6 | 6 |
| 7 | 7 |
| 8 | 8 |
| 9 | 9 |
| 10 | 14 |
| 11 | 19 |
| 12 | 28 |
| 13 | 56 |
| 14 | 176 |
| 15 | 904 |
| 16 | 3347 |
| 17 | 4795 |
| 18 | 5301 |
| 19 | 9775 |
| 20 | 10028 |
| 21 | 16165 |
| 22 | 16715 |
| 23 | 35103 |
| 24 | 49693 |
| 25 | 111039 |
| 26 | 191103 |
| 27 | 370287 |
| 28 | 439385 |
| 29 | 845772 |
| 30 | 1727706 |
| 31 | 1836482 |
| 32 | 3631676 |
| 33 | 3767812 |
| 34 | 4363796 |
| 35 | 4499932 |
| 36 | 5351605 |
| 37 | 6940437 |
| 38 | 20090073 |
| 39 | 28246243 |
| 40 | 38221997 |
| 41 | 60220332 |
[1,2,3,4,5,6,7,8,9,14,19,28,56,176,904,3347,4795, 5301,9775,10028,16165,16715,35103,49693,111039, 191103,370287,439385,845772,1727706,1836482, 3631676,3767812,4363796,4499932,5351605,6940437, 20090073,28246243,38221997,60220332] |