n | a(n) |
---|---|
22 | 1 |
23 | 23 |
24 | 276 |
25 | 2300 |
26 | 14950 |
27 | 80730 |
28 | 376740 |
29 | 1560780 |
30 | 5852925 |
31 | 20160075 |
32 | 64512240 |
33 | 193536720 |
34 | 548354040 |
35 | 1476337800 |
36 | 3796297200 |
37 | 9364199760 |
38 | 22239974430 |
39 | 51021117810 |
40 | 113380261800 |
41 | 244662670200 |
42 | 513791607420 |
43 | 1052049481860 |
44 | 2104098963720 |
45 | 4116715363800 |
[1,23,276,2300,14950,80730,376740,1560780,5852925, 20160075,64512240,193536720,548354040,1476337800, 3796297200,9364199760,22239974430,51021117810, 113380261800,244662670200,513791607420, 1052049481860,2104098963720,4116715363800] |