n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 1 |
3 | 2 |
4 | 12 |
5 | 19 |
6 | 128 |
7 | 193 |
8 | 1600 |
9 | 2997 |
10 | 20224 |
11 | 37692 |
12 | 319488 |
13 | 552366 |
14 | 5164032 |
15 | 10853055 |
16 | 103268352 |
17 | 198691110 |
18 | 2199453696 |
19 | 4050806490 |
20 | 49934499840 |
21 | 102089892240 |
22 | 1176592711680 |
23 | 2471811316695 |
24 | 32489204613120 |
25 | 71282307214125 |
26 | 893769083781120 |
27 | 2351538388135125 |
[0,0,1,2,12,19,128,193,1600,2997,20224,37692, 319488,552366,5164032,10853055,103268352, 198691110,2199453696,4050806490,49934499840, 102089892240,1176592711680,2471811316695, 32489204613120,71282307214125,893769083781120, 2351538388135125] |