# A252969 (b-file synthesized from sequence entry)
1 0
2 0
3 18
4 1236
5 46812
6 1592348
7 54926890
8 1988261908
9 75922639116
10 3044977814280
11 127417950149256
12 5527784646050032
13 247288999212565632
14 11357451257590359840
15 533618856431642996126
16 25573783371050570978268
17 1247199857452953231731592
18 61772272799794134860411162