n | a(n) |
---|---|
2 | 6 |
3 | 52 |
4 | 404 |
5 | 3237 |
6 | 26086 |
7 | 211730 |
8 | 1730114 |
9 | 14223429 |
10 | 117563545 |
11 | 976408938 |
12 | 8144436109 |
13 | 68197885773 |
14 | 573056586975 |
15 | 4830577196508 |
16 | 40836850965484 |
17 | 346138265331977 |
18 | 2941011994449017 |
19 | 25044401420362382 |
20 | 213706426365981010 |
21 | 1827057028991860141 |
22 | 15647888579758708485 |
[6,52,404,3237,26086,211730,1730114,14223429, 117563545,976408938,8144436109,68197885773, 573056586975,4830577196508,40836850965484, 346138265331977,2941011994449017, 25044401420362382,213706426365981010, 1827057028991860141,15647888579758708485] |