n | a(n) |
---|---|
1 | 3 |
2 | 2 |
3 | 12 |
4 | 24 |
5 | 70 |
6 | 192 |
7 | 633 |
8 | 2484 |
9 | 10554 |
10 | 35054 |
11 | 102520 |
12 | 337948 |
13 | 1366804 |
14 | 6000028 |
15 | 24951622 |
16 | 94266262 |
17 | 337342046 |
18 | 1263530794 |
19 | 5269371063 |
20 | 23209051416 |
21 | 98571237345 |
22 | 383041820280 |
23 | 1353435250769 |
24 | 4542413798878 |
25 | 16490190511798 |
26 | 76615460665948 |
27 | 434914649543770 |
[3,2,12,24,70,192,633,2484,10554,35054,102520, 337948,1366804,6000028,24951622,94266262, 337342046,1263530794,5269371063,23209051416, 98571237345,383041820280,1353435250769, 4542413798878,16490190511798,76615460665948, 434914649543770] |