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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 11 |
| 3 | 23 |
| 4 | 101 |
| 5 | 173 |
| 6 | 902 |
| 7 | 1562 |
| 8 | 1559 |
| 9 | 8120 |
| 10 | 14032 |
| 11 | 14033 |
| 12 | 73082 |
| 13 | 126290 |
| 14 | 604523 |
| 15 | 657743 |
| 16 | 723269 |
| 17 | 1136684 |
| 18 | 5918933 |
| 19 | 5972147 |
| 20 | 10227787 |
| 21 | 25051529 |
| 22 | 53276231 |
| 23 | 54333278 |
| 24 | 92071913 |
| 25 | 441753767 |
| 26 | 479669051 |
| 27 | 483743986 |
| 28 | 828662228 |
| 29 | 3971590751 |
| 30 | 4315446629 |
[1,2,11,23,101,173,902,1562,1559,8120,14032,14033, 73082,126290,604523,657743,723269,1136684,5918933, 5972147,10227787,25051529,53276231,54333278, 92071913,441753767,479669051,483743986,828662228, 3971590751,4315446629] |