n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 1 |
3 | 19 |
4 | 279 |
5 | 3671 |
6 | 45431 |
7 | 540639 |
8 | 6260959 |
9 | 71068951 |
10 | 794428551 |
11 | 8773216559 |
12 | 95937737039 |
13 | 1040604153831 |
14 | 11210103801271 |
15 | 120060433858879 |
16 | 1279394234787519 |
17 | 13573881914016311 |
18 | 143459424905375591 |
19 | 1511020367139739599 |
20 | 15866744246492020399 |
[0,0,1,19,279,3671,45431,540639,6260959,71068951, 794428551,8773216559,95937737039,1040604153831, 11210103801271,120060433858879,1279394234787519, 13573881914016311,143459424905375591, 1511020367139739599,15866744246492020399] |