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| n | a(n) |
|---|---|
| 1 | 10 |
| 2 | 13 |
| 3 | 38 |
| 4 | 87 |
| 5 | 176 |
| 6 | 370 |
| 7 | 721 |
| 8 | 1374 |
| 9 | 2533 |
| 10 | 4538 |
| 11 | 7924 |
| 12 | 13507 |
| 13 | 22510 |
| 14 | 36732 |
| 15 | 58771 |
| 16 | 92312 |
| 17 | 142492 |
| 18 | 216355 |
| 19 | 323411 |
| 20 | 476314 |
| 21 | 691675 |
| 22 | 991027 |
| 23 | 1401960 |
| 24 | 1959445 |
| 25 | 2707367 |
| 26 | 3700288 |
| 27 | 5005462 |
| 28 | 6705125 |
| 29 | 8899084 |
| 30 | 11707630 |
| 31 | 15274801 |
| 32 | 19772022 |
| 33 | 25402150 |
[10,13,38,87,176,370,721,1374,2533,4538,7924, 13507,22510,36732,58771,92312,142492,216355, 323411,476314,691675,991027,1401960,1959445, 2707367,3700288,5005462,6705125,8899084,11707630, 15274801,19772022,25402150] |