n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 4 |
4 | 7 |
5 | 16 |
6 | 27 |
7 | 66 |
8 | 109 |
9 | 279 |
10 | 469 |
11 | 1201 |
12 | 2119 |
13 | 5242 |
14 | 9607 |
15 | 23133 |
16 | 43727 |
17 | 103015 |
18 | 199819 |
19 | 462269 |
20 | 916631 |
21 | 2132121 |
22 | 4220267 |
23 | 10010203 |
24 | 19497608 |
25 | 47042042 |
26 | 90370622 |
27 | 221337726 |
28 | 420136173 |
29 | 1042837195 |
30 | 1958787580 |
[1,1,2,4,7,16,27,66,109,279,469,1201,2119,5242, 9607,23133,43727,103015,199819,462269,916631, 2132121,4220267,10010203,19497608,47042042, 90370622,221337726,420136173,1042837195, 1958787580] |