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| n | a(n) |
|---|---|
| 4 | 1 |
| 5 | 2 |
| 6 | 6 |
| 7 | 14 |
| 8 | 33 |
| 9 | 64 |
| 10 | 127 |
| 11 | 228 |
| 12 | 404 |
| 13 | 672 |
| 14 | 1100 |
| 15 | 1724 |
| 16 | 2661 |
| 17 | 3974 |
| 18 | 5849 |
| 19 | 8402 |
| 20 | 11911 |
| 21 | 16556 |
| 22 | 22751 |
| 23 | 30772 |
| 24 | 41198 |
| 25 | 54436 |
| 26 | 71283 |
| 27 | 92316 |
| 28 | 118609 |
| 29 | 150950 |
| 30 | 190753 |
| 31 | 239090 |
| 32 | 297783 |
| 33 | 368236 |
| 34 | 452782 |
| 35 | 553240 |
| 36 | 672532 |
| 37 | 812980 |
| 38 | 978211 |
| 39 | 1171144 |
| 40 | 1396235 |
[1,2,6,14,33,64,127,228,404,672,1100,1724,2661, 3974,5849,8402,11911,16556,22751,30772,41198, 54436,71283,92316,118609,150950,190753,239090, 297783,368236,452782,553240,672532,812980,978211, 1171144,1396235] |