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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | 1 |
| 3 | 2 |
| 4 | 3 |
| 5 | 7 |
| 6 | 10 |
| 7 | 22 |
| 8 | 32 |
| 9 | 70 |
| 10 | 102 |
| 11 | 222 |
| 12 | 324 |
| 13 | 704 |
| 14 | 1028 |
| 15 | 2232 |
| 16 | 3260 |
| 17 | 7076 |
| 18 | 10336 |
| 19 | 22432 |
| 20 | 32768 |
| 21 | 71112 |
| 22 | 103880 |
| 23 | 225432 |
| 24 | 329312 |
| 25 | 714640 |
| 26 | 1043952 |
| 27 | 2265472 |
| 28 | 3309424 |
| 29 | 7181744 |
| 30 | 10491168 |
| 31 | 22766752 |
| 32 | 33257920 |
| 33 | 72172576 |
| 34 | 105430496 |
| 35 | 228793312 |
| 36 | 334223808 |
| 37 | 725294592 |
| 38 | 1059518400 |
| 39 | 2299246592 |
| 40 | 3358764992 |
[0,1,1,2,3,7,10,22,32,70,102,222,324,704,1028, 2232,3260,7076,10336,22432,32768,71112,103880, 225432,329312,714640,1043952,2265472,3309424, 7181744,10491168,22766752,33257920,72172576, 105430496,228793312,334223808,725294592, 1059518400,2299246592,3358764992] |