# A309717 (b-file synthesized from sequence entry)
0 0
1 0
2 0
3 1
4 6
5 28
6 114
7 432
8 1566
9 5517
10 19068
11 65044
12 219852
13 738316
14 2468028
15 8222805
16 27330858
17 90685224
18 300521622
19 994991716
20 3292117698
21 10887332473
22 35992718136
23 118958691528
24 393093822744
25 1298783453112
26 4290755845176
27 14174217683209
28 46821054068430
29 154655837126740