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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 1 |
| 5 | 1 |
| 6 | 6 |
| 7 | 11 |
| 8 | 16 |
| 9 | 21 |
| 10 | 26 |
| 11 | 106 |
| 12 | 211 |
| 13 | 341 |
| 14 | 496 |
| 15 | 676 |
| 16 | 2256 |
| 17 | 4611 |
| 18 | 7866 |
| 19 | 12146 |
| 20 | 17576 |
| 21 | 51781 |
| 22 | 106761 |
| 23 | 188266 |
| 24 | 302671 |
| 25 | 456976 |
| 26 | 1236306 |
| 27 | 2552661 |
| 28 | 4602416 |
| 29 | 7620071 |
| 30 | 11881376 |
| 31 | 30218956 |
| 32 | 62278561 |
| 33 | 114056566 |
| 34 | 193134346 |
| 35 | 308915776 |
| 36 | 749942856 |
| 37 | 1540351961 |
[1,1,1,1,1,1,6,11,16,21,26,106,211,341,496,676, 2256,4611,7866,12146,17576,51781,106761,188266, 302671,456976,1236306,2552661,4602416,7620071, 11881376,30218956,62278561,114056566,193134346, 308915776,749942856,1540351961] |