n | a(n) |
---|---|
1 | 40740 |
2 | 136010 |
3 | 463880 |
4 | 1599494 |
5 | 5545760 |
6 | 19280050 |
7 | 67100334 |
8 | 233536170 |
9 | 815743709 |
10 | 2851383464 |
11 | 9968776923 |
12 | 34851713656 |
13 | 121833022602 |
14 | 425845518315 |
15 | 1488332695880 |
16 | 5204198276461 |
17 | 18200494366672 |
18 | 63655428624786 |
[40740,136010,463880,1599494,5545760,19280050, 67100334,233536170,815743709,2851383464, 9968776923,34851713656,121833022602,425845518315, 1488332695880,5204198276461,18200494366672, 63655428624786] |