n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 9 |
3 | 58 |
4 | 506 |
5 | 5462 |
6 | 70226 |
7 | 1038578 |
8 | 17274974 |
9 | 317292692 |
10 | 6346909285 |
11 | 136723993122 |
12 | 3143278648954 |
13 | 76547029418394 |
14 | 1962350550273130 |
15 | 52679691605422354 |
16 | 1474290522744355250 |
17 | 42847373913958703100 |
18 | 1288899422418558314550 |
19 | 40013380588722843337620 |
[1,2,9,58,506,5462,70226,1038578,17274974, 317292692,6346909285,136723993122,3143278648954, 76547029418394,1962350550273130,52679691605422354, 1474290522744355250,42847373913958703100, 1288899422418558314550,40013380588722843337620] |