| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 0 |
| 3 | 0 |
| 4 | 0 |
| 5 | 0 |
| 6 | 0 |
| 7 | 0 |
| 8 | 0 |
| 9 | 1 |
| 10 | 3 |
| 11 | 8 |
| 12 | 13 |
| 13 | 19 |
| 14 | 32 |
| 15 | 45 |
| 16 | 64 |
| 17 | 89 |
| 18 | 124 |
| 19 | 175 |
| 20 | 251 |
| 21 | 361 |
| 22 | 502 |
| 23 | 693 |
| 24 | 944 |
| 25 | 1264 |
| 26 | 1713 |
| 27 | 2361 |
| 28 | 3169 |
| 29 | 4232 |
| 30 | 5749 |
| 31 | 7750 |
| 32 | 10403 |
| 33 | 14011 |
| 34 | 18667 |
| 35 | 24958 |
| 36 | 33389 |
| 37 | 44540 |
| 38 | 59565 |
| 39 | 79343 |
| 40 | 105659 |
| 41 | 141147 |
| 42 | 188231 |
| 43 | 250568 |
| 44 | 333737 |
| 45 | 445316 |
| 46 | 593366 |
| 47 | 792172 |
| 48 | 1059097 |
| 49 | 1416055 |
| 50 | 1893726 |
| 51 | 2532703 |
| 52 | 3390284 |
| 53 | 4540673 |
| 54 | 6086093 |
| 55 | 8167163 |
| 56 | 10964612 |
| 57 | 14731767 |
| 58 | 19806649 |
| 59 | 26651383 |
| 60 | 35893886 |
| 61 | 48374139 |
| 62 | 65247459 |
| 63 | 88069251 |
| 64 | 118968378 |
[0,0,0,0,0,0,0,0,1,3,8,13,19,32,45,64,89,124,175, 251,361,502,693,944,1264,1713,2361,3169,4232,5749, 7750,10403,14011,18667,24958,33389,44540,59565, 79343,105659,141147,188231,250568,333737,445316, 593366,792172,1059097,1416055,1893726,2532703, 3390284,4540673,6086093,8167163,10964612,14731767, 19806649,26651383,35893886,48374139,65247459, 88069251,118968378] |