n | a(n) |
---|---|
7 | 1 |
8 | 14 |
9 | 105 |
10 | 567 |
11 | 2478 |
12 | 9317 |
13 | 31269 |
14 | 95965 |
15 | 273896 |
16 | 735966 |
17 | 1879059 |
18 | 4591342 |
19 | 10797290 |
20 | 24549924 |
21 | 54171729 |
22 | 116368308 |
23 | 243991034 |
24 | 500446135 |
25 | 1006039762 |
26 | 1985480063 |
27 | 3852429483 |
28 | 7358212272 |
29 | 13850448185 |
30 | 25718189483 |
31 | 47150564517 |
32 | 85417834621 |
33 | 153015826880 |
[1,14,105,567,2478,9317,31269,95965,273896,735966, 1879059,4591342,10797290,24549924,54171729, 116368308,243991034,500446135,1006039762, 1985480063,3852429483,7358212272,13850448185, 25718189483,47150564517,85417834621,153015826880] |