n | a(n) |
---|---|
1 | 0 |
2 | -1 |
3 | -1 |
4 | -2 |
5 | 1 |
6 | -1 |
7 | 7 |
8 | 7 |
9 | 17 |
10 | 24 |
11 | 44 |
12 | 49 |
13 | 87 |
14 | 111 |
15 | 152 |
16 | 200 |
17 | 279 |
18 | 346 |
19 | 470 |
20 | 585 |
21 | 760 |
22 | 966 |
23 | 1231 |
24 | 1515 |
25 | 1927 |
26 | 2394 |
27 | 2970 |
28 | 3662 |
29 | 4535 |
30 | 5532 |
31 | 6810 |
32 | 8286 |
33 | 10095 |
34 | 12256 |
35 | 14835 |
36 | 17886 |
37 | 21599 |
38 | 25955 |
39 | 31129 |
40 | 37248 |
41 | 44541 |
42 | 53078 |
43 | 63217 |
44 | 75091 |
45 | 89056 |
46 | 105486 |
47 | 124706 |
[0,-1,-1,-2,1,-1,7,7,17,24,44,49,87,111,152,200, 279,346,470,585,760,966,1231,1515,1927,2394,2970, 3662,4535,5532,6810,8286,10095,12256,14835,17886, 21599,25955,31129,37248,44541,53078,63217,75091, 89056,105486,124706] |