n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 5 |
3 | 12 |
4 | 28 |
5 | 65 |
6 | 151 |
7 | 351 |
8 | 816 |
9 | 1897 |
10 | 4410 |
11 | 10252 |
12 | 23833 |
13 | 55405 |
14 | 128801 |
15 | 299426 |
16 | 696081 |
17 | 1618192 |
18 | 3761840 |
19 | 8745217 |
20 | 20330163 |
21 | 47261895 |
22 | 109870576 |
23 | 255418101 |
24 | 593775046 |
25 | 1380359512 |
26 | 3208946545 |
27 | 7459895657 |
28 | 17342153393 |
29 | 40315615410 |
30 | 93722435101 |
[1,2,5,12,28,65,151,351,816,1897,4410,10252,23833, 55405,128801,299426,696081,1618192,3761840, 8745217,20330163,47261895,109870576,255418101, 593775046,1380359512,3208946545,7459895657, 17342153393,40315615410,93722435101] |