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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 2 |
| 5 | 2 |
| 6 | 3 |
| 7 | 4 |
| 8 | 6 |
| 9 | 7 |
| 10 | 9 |
| 11 | 11 |
| 12 | 17 |
| 13 | 20 |
| 14 | 29 |
| 15 | 31 |
| 16 | 46 |
| 17 | 54 |
| 18 | 76 |
| 19 | 97 |
| 20 | 122 |
| 21 | 148 |
| 22 | 199 |
| 23 | 306 |
| 24 | 321 |
| 25 | 403 |
| 26 | 521 |
| 27 | 842 |
| 28 | 961 |
| 29 | 1096 |
| 30 | 1364 |
| 31 | 2206 |
| 32 | 2980 |
| 33 | 3020 |
| 34 | 3571 |
| 35 | 5777 |
| 36 | 8103 |
| 37 | 9349 |
| 38 | 9488 |
| 39 | 15126 |
| 40 | 22026 |
| 41 | 24476 |
[1,1,1,1,2,2,3,4,6,7,9,11,17,20,29,31,46,54,76,97, 122,148,199,306,321,403,521,842,961,1096,1364, 2206,2980,3020,3571,5777,8103,9349,9488,15126, 22026,24476] |