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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 0 |
| 2 | 1 |
| 3 | 1 |
| 4 | 3 |
| 5 | 3 |
| 6 | 6 |
| 7 | 7 |
| 8 | 12 |
| 9 | 13 |
| 10 | 22 |
| 11 | 28 |
| 12 | 42 |
| 13 | 46 |
| 14 | 69 |
| 15 | 89 |
| 16 | 125 |
| 17 | 144 |
| 18 | 202 |
| 19 | 247 |
| 20 | 334 |
| 21 | 391 |
| 22 | 525 |
| 23 | 647 |
| 24 | 852 |
| 25 | 974 |
| 26 | 1274 |
| 27 | 1552 |
| 28 | 1998 |
| 29 | 2320 |
| 30 | 2980 |
| 31 | 3541 |
| 32 | 4485 |
| 33 | 5180 |
| 34 | 6535 |
| 35 | 7775 |
| 36 | 9731 |
| 37 | 11129 |
| 38 | 13862 |
| 39 | 16351 |
| 40 | 20213 |
| 41 | 23141 |
| 42 | 28523 |
| 43 | 33233 |
| 44 | 40698 |
| 45 | 46535 |
| 46 | 56780 |
| 47 | 66012 |
| 48 | 80182 |
[1,0,1,1,3,3,6,7,12,13,22,28,42,46,69,89,125,144, 202,247,334,391,525,647,852,974,1274,1552,1998, 2320,2980,3541,4485,5180,6535,7775,9731,11129, 13862,16351,20213,23141,28523,33233,40698,46535, 56780,66012,80182] |