# A150908 (b-file synthesized from sequence entry)
0 1
1 2
2 9
3 31
4 143
5 592
6 2698
7 12137
8 55724
9 258672
10 1206963
11 5675883
12 26848465
13 127379555
14 607671354
15 2905444843
16 13938687704
17 67042101669
18 323124345956
19 1560836312434
20 7552502276302
21 36604439669343
22 177681390928731
23 863603611066566
24 4202731264776623
25 20475730877063532
26 99860486183124377