n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 2 |
4 | 4 |
5 | 10 |
6 | 24 |
7 | 64 |
8 | 167 |
9 | 460 |
10 | 1256 |
11 | 3532 |
12 | 9910 |
13 | 28280 |
14 | 80756 |
15 | 232984 |
16 | 673371 |
17 | 1958982 |
18 | 5710900 |
19 | 16722156 |
20 | 49061276 |
21 | 144387320 |
22 | 425674212 |
23 | 1257774336 |
24 | 3721938064 |
25 | 11032243612 |
26 | 32740524236 |
27 | 97287632048 |
28 | 289369653892 |
[1,1,2,4,10,24,64,167,460,1256,3532,9910,28280, 80756,232984,673371,1958982,5710900,16722156, 49061276,144387320,425674212,1257774336, 3721938064,11032243612,32740524236,97287632048, 289369653892] |