The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 0 |
| 2 | 1 |
| 3 | 1 |
| 4 | 3 |
| 5 | 4 |
| 6 | 7 |
| 7 | 9 |
| 8 | 13 |
| 9 | 16 |
| 10 | 24 |
| 11 | 29 |
| 12 | 39 |
| 13 | 51 |
| 14 | 69 |
| 15 | 87 |
| 16 | 118 |
| 17 | 152 |
| 18 | 199 |
| 19 | 256 |
| 20 | 330 |
| 21 | 418 |
| 22 | 534 |
| 23 | 670 |
| 24 | 838 |
| 25 | 1046 |
| 26 | 1296 |
| 27 | 1603 |
| 28 | 1960 |
| 29 | 2412 |
| 30 | 2936 |
| 31 | 3588 |
| 32 | 4342 |
| 33 | 5288 |
| 34 | 6364 |
| 35 | 7713 |
| 36 | 9272 |
| 37 | 11186 |
| 38 | 13389 |
| 39 | 16117 |
| 40 | 19213 |
| 41 | 23032 |
| 42 | 27408 |
| 43 | 32715 |
| 44 | 38810 |
| 45 | 46176 |
| 46 | 54582 |
| 47 | 64692 |
| 48 | 76286 |
[1,0,1,1,3,4,7,9,13,16,24,29,39,51,69,87,118,152, 199,256,330,418,534,670,838,1046,1296,1603,1960, 2412,2936,3588,4342,5288,6364,7713,9272,11186, 13389,16117,19213,23032,27408,32715,38810,46176, 54582,64692,76286] |