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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 3 |
| 3 | 8 |
| 4 | 25 |
| 5 | 64 |
| 6 | 200 |
| 7 | 512 |
| 8 | 1528 |
| 9 | 4048 |
| 10 | 11654 |
| 11 | 30585 |
| 12 | 88601 |
| 13 | 231295 |
| 14 | 651713 |
| 15 | 1733011 |
| 16 | 4814031 |
| 17 | 12685230 |
| 18 | 35225415 |
| 19 | 92628772 |
| 20 | 254268558 |
| 21 | 672643614 |
| 22 | 1826716115 |
| 23 | 4814931851 |
| 24 | 13086575526 |
| 25 | 34391797265 |
| 26 | 92637759753 |
| 27 | 244294085952 |
| 28 | 654813738224 |
| 29 | 1720509596070 |
| 30 | 4606408076053 |
[1,1,3,8,25,64,200,512,1528,4048,11654,30585, 88601,231295,651713,1733011,4814031,12685230, 35225415,92628772,254268558,672643614,1826716115, 4814931851,13086575526,34391797265,92637759753, 244294085952,654813738224,1720509596070, 4606408076053] |