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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 0 |
| 3 | 1 |
| 4 | 3 |
| 5 | 5 |
| 6 | 7 |
| 7 | 11 |
| 8 | 20 |
| 9 | 28 |
| 10 | 38 |
| 11 | 52 |
| 12 | 73 |
| 13 | 97 |
| 14 | 127 |
| 15 | 168 |
| 16 | 229 |
| 17 | 295 |
| 18 | 381 |
| 19 | 486 |
| 20 | 623 |
| 21 | 788 |
| 22 | 994 |
| 23 | 1247 |
| 24 | 1571 |
| 25 | 1954 |
| 26 | 2428 |
| 27 | 3002 |
| 28 | 3710 |
| 29 | 4557 |
| 30 | 5588 |
| 31 | 6826 |
| 32 | 8347 |
| 33 | 10141 |
| 34 | 12306 |
| 35 | 14879 |
| 36 | 17973 |
| 37 | 21633 |
| 38 | 26007 |
| 39 | 31177 |
| 40 | 37334 |
| 41 | 44579 |
| 42 | 53166 |
| 43 | 63253 |
| 44 | 75167 |
| 45 | 89126 |
| 46 | 105542 |
| 47 | 124738 |
[0,0,1,3,5,7,11,20,28,38,52,73,97,127,168,229,295, 381,486,623,788,994,1247,1571,1954,2428,3002,3710, 4557,5588,6826,8347,10141,12306,14879,17973,21633, 26007,31177,37334,44579,53166,63253,75167,89126, 105542,124738] |