# A067083 (b-file synthesized from sequence entry)
1 1
2 1
3 5
4 39
5 437
6 6051
7 99425
8 1893917
9 41077012
10 1000000001
11 27011044252
12 801840699303
13 25952747043667
14 909698753958571
15 34333545124721025
16 1388255822130839284
17 59875111056395524697
18 2743914679527468673294
19 133153224151130627642479
20 6821144143666773728762208