# A374749 (b-file synthesized from sequence entry)
1 0
2 9
3 18
4 108
5 279
6 1260
7 3780
8 15129
9 49158
10 185328
11 627759
12 2295720
13 7945560
14 28607049
15 100117098
16 357580548
17 1258634439
18 4476859380
19 15804569340
20 56096303769
21 198337427838
22 703204161768
23 2488241012319
24 8817078468240
25 31211247579120
26 110564953793289