# A256939 (b-file synthesized from sequence entry)
0 1
1 3
2 13
3 57
4 257
5 1185
6 5573
7 26661
8 129437
9 636429
10 3163725
11 15877101
12 80340813
13 409495053
14 2100558429
15 10836262173
16 56184433661
17 292628726205
18 1530338756093
19 8032671187581
20 42304703640701
21 223484135199357
22 1183921500416509
23 6288098247289341