n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 7 |
3 | 29 |
4 | 130 |
5 | 611 |
6 | 2965 |
7 | 14726 |
8 | 74443 |
9 | 381617 |
10 | 1978582 |
11 | 10355303 |
12 | 54628201 |
13 | 290148890 |
14 | 1550177791 |
15 | 8324934533 |
16 | 44911554826 |
17 | 243274479131 |
18 | 1322555721037 |
19 | 7213659006350 |
20 | 39462884371891 |
21 | 216470673634217 |
22 | 1190382865461742 |
23 | 6560913758341199 |
[1,2,7,29,130,611,2965,14726,74443,381617,1978582, 10355303,54628201,290148890,1550177791,8324934533, 44911554826,243274479131,1322555721037, 7213659006350,39462884371891,216470673634217, 1190382865461742,6560913758341199] |