# A367921 (b-file synthesized from sequence entry)
0 1
1 1
2 5
3 17
4 93
5 505
6 3269
7 22657
8 172461
9 1407177
10 12284629
11 113832273
12 1114775869
13 11487315481
14 124118143717
15 1401808691489
16 16504815145421
17 202101235848297
18 2568312461002741
19 33808677627863537
20 460227870278020957
21 6468672644291075001
22 93745096205219336709