n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 15 |
3 | 274 |
4 | 5531 |
5 | 118686 |
6 | 2654646 |
7 | 61189668 |
8 | 1443039123 |
9 | 34648845862 |
10 | 844131474530 |
11 | 20813234394492 |
12 | 518373091849502 |
13 | 13021801045587244 |
14 | 329543346098061516 |
15 | 8393705745623980104 |
16 | 215009056951891319811 |
17 | 5535306699430995140214 |
18 | 143144289829339089562986 |
[1,1,15,274,5531,118686,2654646,61189668, 1443039123,34648845862,844131474530, 20813234394492,518373091849502,13021801045587244, 329543346098061516,8393705745623980104, 215009056951891319811,5535306699430995140214, 143144289829339089562986] |