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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 2 |
| 3 | 5 |
| 4 | 12 |
| 5 | 20 |
| 6 | 42 |
| 7 | 75 |
| 8 | 141 |
| 9 | 259 |
| 10 | 466 |
| 11 | 799 |
| 12 | 1427 |
| 13 | 2443 |
| 14 | 4169 |
| 15 | 7049 |
| 16 | 11863 |
| 17 | 19605 |
| 18 | 32518 |
| 19 | 53184 |
| 20 | 86579 |
| 21 | 140018 |
| 22 | 225380 |
| 23 | 359739 |
| 24 | 572864 |
| 25 | 905903 |
| 26 | 1426270 |
| 27 | 2234952 |
| 28 | 3488313 |
| 29 | 5416403 |
| 30 | 8383226 |
| 31 | 12917257 |
| 32 | 19831763 |
| 33 | 30334937 |
| 34 | 46245977 |
| 35 | 70242043 |
| 36 | 106371686 |
[1,1,2,5,12,20,42,75,141,259,466,799,1427,2443, 4169,7049,11863,19605,32518,53184,86579,140018, 225380,359739,572864,905903,1426270,2234952, 3488313,5416403,8383226,12917257,19831763, 30334937,46245977,70242043,106371686] |