n | a(n) |
---|---|
1 | 4 |
2 | 36 |
3 | 294 |
4 | 2436 |
5 | 19814 |
6 | 162776 |
7 | 1333934 |
8 | 10937316 |
9 | 89651534 |
10 | 734979136 |
11 | 6025149574 |
12 | 49393306556 |
13 | 404916355574 |
14 | 3319433387656 |
15 | 27212098788254 |
16 | 223079838087956 |
17 | 1828767624421854 |
18 | 14991902921730896 |
19 | 122900877847563254 |
[4,36,294,2436,19814,162776,1333934,10937316, 89651534,734979136,6025149574,49393306556, 404916355574,3319433387656,27212098788254, 223079838087956,1828767624421854, 14991902921730896,122900877847563254] |