# A053605 (b-file synthesized from sequence entry)
1 1
2 0
3 3
4 8
5 135
6 1164
7 21035
8 322832
9 7040943
10 153153620
11 4048737099
12 112389077976
13 3537768793559
14 118535631544316
15 4353324736520955
16 170245846476629024
17 7163230987527864543
18 319708454444016133284