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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 3 |
| 3 | 8 |
| 4 | 11 |
| 5 | 24 |
| 6 | 52 |
| 7 | 108 |
| 8 | 207 |
| 9 | 448 |
| 10 | 720 |
| 11 | 1376 |
| 12 | 2892 |
| 13 | 5544 |
| 14 | 12532 |
| 15 | 23448 |
| 16 | 47239 |
| 17 | 98112 |
| 18 | 186672 |
| 19 | 377896 |
| 20 | 743656 |
| 21 | 1519816 |
| 22 | 2983160 |
| 23 | 6354536 |
| 24 | 11975324 |
| 25 | 25917040 |
| 26 | 48312920 |
| 27 | 100406048 |
| 28 | 196868844 |
| 29 | 397726592 |
| 30 | 788233496 |
| 31 | 1578253728 |
| 32 | 3225757559 |
| 33 | 6275638528 |
| 34 | 13012144160 |
| 35 | 25792000088 |
| 36 | 51825463000 |
| 37 | 104303846272 |
| 38 | 206598440472 |
[1,2,3,8,11,24,52,108,207,448,720,1376,2892,5544, 12532,23448,47239,98112,186672,377896,743656, 1519816,2983160,6354536,11975324,25917040, 48312920,100406048,196868844,397726592,788233496, 1578253728,3225757559,6275638528,13012144160, 25792000088,51825463000,104303846272,206598440472] |