# A307398 (b-file synthesized from sequence entry)
0 1
1 1
2 4
3 13
4 52
5 209
6 906
7 4010
8 18303
9 85064
10 402008
11 1924412
12 9314594
13 45502924
14 224068334
15 1111017056
16 5542331502
17 27796367468
18 140072333426
19 708875098462
20 3601278993411
21 18359296689521
22 93892611212526
23 481575492271765
24 2476572824391335
25 12767331527712854