# A179957 (b-file synthesized from sequence entry)
0 1
1 1
2 0
3 0
4 0
5 0
6 0
7 0
8 2
9 72
10 1496
11 25384
12 399848
13 6231544
14 99133496
15 1634227958
16 28120703888
17 506599465896
18 9562489659952
19 189055933191880
20 3911226769004280