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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 1 |
| 5 | 1 |
| 6 | 1 |
| 7 | 53 |
| 8 | 141 |
| 9 | 271 |
| 10 | 449 |
| 11 | 681 |
| 12 | 973 |
| 13 | 1331 |
| 14 | 9391 |
| 15 | 26803 |
| 16 | 60953 |
| 17 | 122641 |
| 18 | 226921 |
| 19 | 394031 |
| 20 | 650413 |
| 21 | 2039288 |
| 22 | 5611209 |
| 23 | 13694084 |
| 24 | 30417897 |
| 25 | 62763334 |
| 26 | 122046063 |
| 27 | 225958222 |
| 28 | 532867801 |
| 29 | 1319078776 |
| 30 | 3196149101 |
| 31 | 7383041514 |
| 32 | 16186545853 |
| 33 | 33788903208 |
[1,1,1,1,1,1,1,53,141,271,449,681,973,1331,9391, 26803,60953,122641,226921,394031,650413,2039288, 5611209,13694084,30417897,62763334,122046063, 225958222,532867801,1319078776,3196149101, 7383041514,16186545853,33788903208] |