n | a(n) |
---|---|
5 | 0 |
6 | 97 |
7 | 744 |
8 | 3628 |
9 | 15038 |
10 | 59963 |
11 | 245386 |
12 | 1054116 |
13 | 4585666 |
14 | 19816317 |
15 | 84377528 |
16 | 354143757 |
17 | 1472404694 |
18 | 6105113905 |
19 | 25314316974 |
20 | 105009933736 |
21 | 435538239600 |
22 | 1804712603943 |
23 | 7467462109856 |
24 | 30859243303779 |
25 | 127410491972804 |
26 | 525761755401512 |
27 | 2168906840165128 |
[0,97,744,3628,15038,59963,245386,1054116,4585666, 19816317,84377528,354143757,1472404694,6105113905, 25314316974,105009933736,435538239600, 1804712603943,7467462109856,30859243303779, 127410491972804,525761755401512,2168906840165128] |