# A127679 (b-file synthesized from sequence entry)
1 1
2 1
3 1
4 1
5 2
6 4
7 6
8 15
9 35
10 119
11 221
12 1703
13 31571
14 444163
15 62571693
16 16130221953
17 31653658032799
18 1139752929797333269
19 190765682365696256860989
20 13391304481955883169111997465697