n | a(n) |
---|---|
1 | 1 |
2 | 4 |
3 | 11 |
4 | 35 |
5 | 95 |
6 | 300 |
7 | 861 |
8 | 2658 |
9 | 8009 |
10 | 24668 |
11 | 75845 |
12 | 236401 |
13 | 739453 |
14 | 2338348 |
15 | 7457697 |
16 | 24047361 |
17 | 78404391 |
18 | 258796668 |
19 | 865059189 |
20 | 2929559709 |
21 | 10050907467 |
22 | 34926729660 |
23 | 122863623249 |
24 | 437203156566 |
25 | 1572333684939 |
26 | 5709236166372 |
[1,4,11,35,95,300,861,2658,8009,24668,75845, 236401,739453,2338348,7457697,24047361,78404391, 258796668,865059189,2929559709,10050907467, 34926729660,122863623249,437203156566, 1572333684939,5709236166372] |