n | a(n) |
---|---|
0 | 1 |
1 | 15 |
2 | 249 |
3 | 4371 |
4 | 78693 |
5 | 1431735 |
6 | 26159649 |
7 | 478778379 |
8 | 8768545197 |
9 | 160633207887 |
10 | 2942987702217 |
11 | 53921188767939 |
12 | 987955842925365 |
13 | 18101659807680423 |
14 | 331665550405417905 |
15 | 6076909441961837115 |
16 | 111343619823563404797 |
17 | 2040083652208572498111 |
18 | 37379255055440801236953 |
[1,15,249,4371,78693,1431735,26159649,478778379, 8768545197,160633207887,2942987702217, 53921188767939,987955842925365,18101659807680423, 331665550405417905,6076909441961837115, 111343619823563404797,2040083652208572498111, 37379255055440801236953] |