# A335645 (b-file synthesized from sequence entry)
0 1
1 2
2 6
3 66
4 858
5 6006
6 222222
7 20522502
8 244868442
9 6172882716
10 231645546132
11 49795711759794
12 2415957997595142
13 495677121121776594
14 22181673755737618122
15 5521159517777159511255
16 477552751050050157255774
17 200345274602020206472543002