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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 2 |
| 3 | 5 |
| 4 | 10 |
| 5 | 21 |
| 6 | 45 |
| 7 | 95 |
| 8 | 201 |
| 9 | 426 |
| 10 | 902 |
| 11 | 1910 |
| 12 | 4045 |
| 13 | 8566 |
| 14 | 18140 |
| 15 | 38415 |
| 16 | 81351 |
| 17 | 172276 |
| 18 | 364827 |
| 19 | 772590 |
| 20 | 1636105 |
| 21 | 3464761 |
| 22 | 7337285 |
| 23 | 15538085 |
| 24 | 32904826 |
| 25 | 69682176 |
| 26 | 147565152 |
| 27 | 312497045 |
| 28 | 661771440 |
| 29 | 1401425856 |
| 30 | 2967783605 |
| 31 | 6284841605 |
| 32 | 13309337626 |
| 33 | 28185033001 |
| 34 | 59687124002 |
| 35 | 126398744025 |
[1,1,2,5,10,21,45,95,201,426,902,1910,4045,8566, 18140,38415,81351,172276,364827,772590,1636105, 3464761,7337285,15538085,32904826,69682176, 147565152,312497045,661771440,1401425856, 2967783605,6284841605,13309337626,28185033001, 59687124002,126398744025] |