# A307494 (b-file synthesized from sequence entry)
0 1
1 1
2 6
3 30
4 145
5 680
6 3151
7 14394
8 65217
9 293223
10 1310255
11 5820697
12 25725139
13 113161286
14 495659656
15 2162471602
16 9399682398
17 40716499477
18 175798072996
19 756709512011
20 3247830724594
21 13901967775738
22 59352638426839
23 252778786749676
24 1074061758972744
25 4553583433874616
26 19264461634793094