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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 3 |
| 3 | 10 |
| 4 | 35 |
| 5 | 127 |
| 6 | 462 |
| 7 | 1716 |
| 8 | 6440 |
| 9 | 24310 |
| 10 | 92378 |
| 11 | 352737 |
| 12 | 1352078 |
| 13 | 5200301 |
| 14 | 20058384 |
| 15 | 77558760 |
| 16 | 300540195 |
| 17 | 1166803440 |
| 18 | 4537567657 |
| 19 | 17672631900 |
| 20 | 68923265697 |
| 21 | 269128937220 |
| 22 | 1052049481860 |
| 23 | 4116715368841 |
| 24 | 16123801841550 |
| 25 | 63205303218877 |
| 26 | 247959266493500 |
| 27 | 973469712824056 |
| 28 | 3824345300380385 |
| 29 | 15033633249846102 |
| 30 | 59132290782430712 |
| 31 | 232714176627630544 |
| 32 | 916312070471589206 |
[1,3,10,35,127,462,1716,6440,24310,92378,352737, 1352078,5200301,20058384,77558760,300540195, 1166803440,4537567657,17672631900,68923265697, 269128937220,1052049481860,4116715368841, 16123801841550,63205303218877,247959266493500, 973469712824056,3824345300380385, 15033633249846102,59132290782430712, 232714176627630544,916312070471589206] |