n | a(n) |
---|---|
1 | 10 |
2 | 50 |
3 | 216 |
4 | 867 |
5 | 3318 |
6 | 12314 |
7 | 44858 |
8 | 161257 |
9 | 574237 |
10 | 2029778 |
11 | 7132780 |
12 | 24943546 |
13 | 86875164 |
14 | 301535122 |
15 | 1043529630 |
16 | 3602228998 |
17 | 12407419230 |
18 | 42653320657 |
19 | 146380696477 |
20 | 501599529832 |
21 | 1716499421419 |
22 | 5866845453921 |
23 | 20030578702565 |
[10,50,216,867,3318,12314,44858,161257,574237, 2029778,7132780,24943546,86875164,301535122, 1043529630,3602228998,12407419230,42653320657, 146380696477,501599529832,1716499421419, 5866845453921,20030578702565] |