n | a(n) |
---|---|
4 | 126 |
5 | 1512 |
6 | 9702 |
7 | 44352 |
8 | 162162 |
9 | 504504 |
10 | 1387386 |
11 | 3459456 |
12 | 7963956 |
13 | 17153136 |
14 | 34918884 |
15 | 67721472 |
16 | 125919612 |
17 | 225629712 |
18 | 391270572 |
19 | 658982016 |
20 | 1081142370 |
21 | 1732250520 |
22 | 2716483770 |
23 | 4177293120 |
24 | 6309453150 |
25 | 9374044680 |
26 | 13716915030 |
27 | 19791233280 |
28 | 28184836680 |
[126,1512,9702,44352,162162,504504,1387386, 3459456,7963956,17153136,34918884,67721472, 125919612,225629712,391270572,658982016, 1081142370,1732250520,2716483770,4177293120, 6309453150,9374044680,13716915030,19791233280, 28184836680] |