n | a(n) |
---|---|
1 | -1 |
2 | 3 |
3 | 0 |
4 | 40 |
5 | 4 |
6 | -1 |
7 | 1040 |
8 | 23 |
9 | 3003 |
10 | 33 |
11 | 24 |
12 | 53 |
13 | 34 |
14 | 44 |
15 | 54 |
16 | 133 |
17 | 124 |
18 | 153 |
19 | 134 |
20 | 144 |
21 | 154 |
22 | 253 |
23 | 234 |
24 | 244 |
25 | 254 |
26 | 354 |
27 | 444 |
28 | 454 |
29 | 1354 |
30 | 1444 |
31 | 1454 |
32 | 2354 |
33 | 2444 |
34 | 2454 |
35 | 3454 |
36 | 4444 |
37 | 4454 |
[-1,3,0,40,4,-1,1040,23,3003,33,24,53,34,44,54, 133,124,153,134,144,154,253,234,244,254,354,444, 454,1354,1444,1454,2354,2444,2454,3454,4444,4454] |