n | a(n) |
---|---|
0 | 1 |
1 | 4 |
2 | 22 |
3 | 166 |
4 | 1671 |
5 | 21510 |
6 | 341463 |
7 | 6496923 |
8 | 144856710 |
9 | 3716746006 |
10 | 108133664181 |
11 | 3523951953981 |
12 | 127331488458476 |
13 | 5057405619797317 |
14 | 219179491109978660 |
15 | 10298771194610350427 |
16 | 521765883689616772731 |
17 | 28363341834962918344084 |
[1,4,22,166,1671,21510,341463,6496923,144856710, 3716746006,108133664181,3523951953981, 127331488458476,5057405619797317, 219179491109978660,10298771194610350427, 521765883689616772731,28363341834962918344084] |