# A115186 (b-file synthesized from sequence entry)
1 2
2 9
3 27
4 135
5 944
6 5264
7 29888
8 50624
9 203391
10 3290624
11 6082047
12 32535999
13 326481920
14 3274208000
15 6929459199
16 72523096064
17 37694578688
18 471672487935
19 11557226700800
20 54386217385983
21 50624737509375
22 275892612890624
23 4870020829413375
24 68091093855502335
25 2280241934368767