n | a(n) |
---|---|
13 | 1 |
14 | 7 |
15 | 49 |
16 | 231 |
17 | 924 |
18 | 3108 |
19 | 9324 |
20 | 25236 |
21 | 63090 |
22 | 147070 |
23 | 323554 |
24 | 676270 |
25 | 1352540 |
26 | 2600612 |
27 | 4829708 |
28 | 8692788 |
29 | 15212379 |
30 | 25949469 |
31 | 43249115 |
32 | 70562765 |
33 | 112900424 |
34 | 177412664 |
35 | 274183208 |
36 | 417232088 |
37 | 625848132 |
38 | 926250780 |
39 | 1353751140 |
[1,7,49,231,924,3108,9324,25236,63090,147070, 323554,676270,1352540,2600612,4829708,8692788, 15212379,25949469,43249115,70562765,112900424, 177412664,274183208,417232088,625848132,926250780, 1353751140] |